The Titanic's tragic story captures the imagination of the public and experts of all kinds, who, decades after the ship's demise, still seek answers; a look into new evidence that might reveal more about how and why the Titanic sank.

Previous champions battle for the chance to compete against one of the titans of the forge; but first they must face off in a brutal five-hour challenge, where they have to pick a box and build a signature blade using whatever method is inside.

Dannemora prison opens in 1845 as a source of free labor for the local mines; Kenneth Kimes takes a Court TV producer hostage; Tupac Shakur stirs up trouble; Richard Matt and David Sweat attempt to escape.

San Quentin located in Marin County on the San Francisco Bay is California's oldest prison dating back to the gold rush, and home to the state's only gas chamber.

The Titanic's tragic story captures the imagination of the public and experts of all kinds, who, decades after the ship's demise, still seek answers; a look into new evidence that might reveal more about how and why the Titanic sank.

Vic brings Julien and Ted on a road trip to Northern Ontario to salvage a pair of vintage gas pumps to add to his personal collection.

A major setback in the final stages of restoring a 1964 Parisienne blows Mike's budget; the day of Mike's auction and the biggest financial gamble of his life arrives; Mike grapples with regret, and chaos threatens to derail the entire event.

Mike kicks off his fifth year in business with the restoration of a rare 1971 International Scout II, before teaming up with his brothers to find a new home for their late father's 1964 Mercury motor.

Vic brings Julien and Ted on a road trip to Northern Ontario to salvage a pair of vintage gas pumps to add to his personal collection.

A major setback in the final stages of restoring a 1964 Parisienne blows Mike's budget; the day of Mike's auction and the biggest financial gamble of his life arrives; Mike grapples with regret, and chaos threatens to derail the entire event.

A foreign student's possessions are full of surprises; an X-ray machine finds a strange shape inside of a container.

A tattoo artist brings the tools of his trade on his vacation; homemade treats conceal a deadly surprise.

Visiting British soldiers explain an age-old tradition about the day after Christmas when the enlisted men and officers trade places for the day.

Klinger, while ill, communicates with the spirit of a dead soldier.

After Callen receives a cryptic message from Hetty, he tracks down the person tailing him, bringing him to a remote location teeming with Russians -- and face to face with Anna.

The team works with the DEA to stop a ruthless cartel boss waging war on the streets of Los Angeles as he exacts revenge on those who killed his son.

One of history's most notorious pirates, Blackbeard, is said to have had a treasure worth millions of dollars; after centuries of searching, the legendary hoard remains missing.

In 1698, Capt. William Kidd raids a ship on the high seas and seizes its vast treasure, but Kidd is hanged before revealing where he stashed the loot; a look at what happened to the lost booty and where it is now.

Visiting British soldiers explain an age-old tradition about the day after Christmas when the enlisted men and officers trade places for the day.

Klinger, while ill, communicates with the spirit of a dead soldier.

The team works with the DEA to stop a ruthless cartel boss waging war on the streets of Los Angeles as he exacts revenge on those who killed his son.

Imagining free falling 30,000 feet without a parachute, or being buried alive and living to tell the tale; these are improbable yet true-life tales of surviving the most extraordinary conditions.

After hearing incredible testimony about a UFO crashing on Skinwalker Ranch many years ago, the team makes a shocking discovery inside the rocky Mesa.

Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades; stories include the serial killer Son of Sam who gets his throat slashed, a successful escape, and a riot.

Leavenworth located 25-miles northwest of Kansas City, was the largest maximum-security federal prison in the United States for over a hundred years; Carl Panzram, Robert Stroud and Tommy Silverstein share stories of life behind its walls.

After facing off against a fellow champ, only one smith will remain and be tasked with making a M1917 Naval Cutlass, against either Gladiator of the Forge Jesse Hu, Superchamp Collin Sage, or Undefeated Judge Ben Abbott.

In 1698, Capt. William Kidd raids a ship on the high seas and seizes its vast treasure, but Kidd is hanged before revealing where he stashed the loot; a look at what happened to the lost booty and where it is now.

Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades; stories include the serial killer Son of Sam who gets his throat slashed, a successful escape, and a riot.

Leavenworth located 25-miles northwest of Kansas City, was the largest maximum-security federal prison in the United States for over a hundred years; Carl Panzram, Robert Stroud and Tommy Silverstein share stories of life behind its walls.

After facing off against a fellow champ, only one smith will remain and be tasked with making a M1917 Naval Cutlass, against either Gladiator of the Forge Jesse Hu, Superchamp Collin Sage, or Undefeated Judge Ben Abbott.

One of history's most notorious pirates, Blackbeard, is said to have had a treasure worth millions of dollars; after centuries of searching, the legendary hoard remains missing.

In 1698, Capt. William Kidd raids a ship on the high seas and seizes its vast treasure, but Kidd is hanged before revealing where he stashed the loot; a look at what happened to the lost booty and where it is now.

The team works with the DEA to stop a ruthless cartel boss waging war on the streets of Los Angeles as he exacts revenge on those who killed his son.

After Callen receives a cryptic message from Hetty, he tracks down the person tailing him, bringing him to a remote location teeming with Russians -- and face to face with Anna.

As the Priestly's look to the future, Ted's salvage team is tasked with clearing out The National with a huge one day sale.

Mike burns the candle at both ends, working at remote locations for his rock scaling business, while trying to manage the shop's restoration of a 1969 Road Runner convertible from afar.

Mike enlists his buddy Dave to help him rid the Field of Dreams of a junk-stuffed school bus; Richard revives the luxury of private rail cars using an old trailer; Russell leans on an old friend to help him build a truck.

As the Priestly's look to the future, Ted's salvage team is tasked with clearing out The National with a huge one day sale.

Mike burns the candle at both ends, working at remote locations for his rock scaling business, while trying to manage the shop's restoration of a 1969 Road Runner convertible from afar.

A traveler swallows an unknown substance; a Thai vacation guide offers more than holiday advice; a car dealer takes a long road to the truth; hard iced tea and a passenger bring attention to a trucker.

A driver under the influence risks ending the family vacation; a trip behind the wheel of a borrowed truck raises suspicions.

B.J. attempts to pull off the ultimate practical joke on Hawkeye.

A noted war correspondent visits the 4077th to do a story on blood donated by his readers.

To rescue Joelle from further torture by the Russians, Callen and the team must offer up Anna as bait to Katya; Callen finally discovers who accused him of being a Russian spy.

Former Marine Daniel "Hondo" Harrelson is tasked to run a specialized tactical unit in Los Angeles.

James Gamble and Harley Procter invent a revolutionary new soap that revolutionizes America and opens up a market to entrepreneurs in the late 1800s, when Americans rarely bathed and deadly diseases were commonplace.

Fitting into the clean-cut roles that comedians occupied in the 1950s, two up-and-coming stand-ups make names for themselves; as society shifts and counter-culture movements take hold, both men realize they need to adapt their comedy.

B.J. attempts to pull off the ultimate practical joke on Hawkeye.

A noted war correspondent visits the 4077th to do a story on blood donated by his readers.

Former Marine Daniel "Hondo" Harrelson is tasked to run a specialized tactical unit in Los Angeles.

Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades; stories include the serial killer Son of Sam who gets his throat slashed, a successful escape, and a riot.

Leavenworth located 25-miles northwest of Kansas City, was the largest maximum-security federal prison in the United States for over a hundred years; Carl Panzram, Robert Stroud and Tommy Silverstein share stories of life behind its walls.

After facing off against a fellow champ, only one smith will remain and be tasked with making a M1917 Naval Cutlass, against either Gladiator of the Forge Jesse Hu, Superchamp Collin Sage, or Undefeated Judge Ben Abbott.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

Fitting into the clean-cut roles that comedians occupied in the 1950s, two up-and-coming stand-ups make names for themselves; as society shifts and counter-culture movements take hold, both men realize they need to adapt their comedy.

James Gamble and Harley Procter invent a revolutionary new soap that revolutionizes America and opens up a market to entrepreneurs in the late 1800s, when Americans rarely bathed and deadly diseases were commonplace.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

Fitting into the clean-cut roles that comedians occupied in the 1950s, two up-and-coming stand-ups make names for themselves; as society shifts and counter-culture movements take hold, both men realize they need to adapt their comedy.

James Gamble and Harley Procter invent a revolutionary new soap that revolutionizes America and opens up a market to entrepreneurs in the late 1800s, when Americans rarely bathed and deadly diseases were commonplace.

Former Marine Daniel "Hondo" Harrelson is tasked to run a specialized tactical unit in Los Angeles.

To rescue Joelle from further torture by the Russians, Callen and the team must offer up Anna as bait to Katya; Callen finally discovers who accused him of being a Russian spy.

The salvage team from Priestly Demolition takes their first road trip of the year to a historic mining town where the discovery of old police reports sets them on an unexpected hunt for hidden gold.

Mike takes on a rare Hertz Shelby Mustang for his friend's brother, but the badly damaged car might be too far-gone; a drag race against another local shop turns into a Chevelle showdown.

JF begins restoring a 1928 Model A Roadster, while Avery takes on a 1941 military vehicle and these antique machines are full of challenges; Mike chases redemption at the races.

The salvage team from Priestly Demolition takes their first road trip of the year to a historic mining town where the discovery of old police reports sets them on an unexpected hunt for hidden gold.

Mike takes on a rare Hertz Shelby Mustang for his friend's brother, but the badly damaged car might be too far-gone; a drag race against another local shop turns into a Chevelle showdown.

After partying hard in Panama, a traveler is pulled aside; a suitcase snafu makes an officer skeptical; recreational herbs are found in an RV bound for Alaska; a snowboarder is pulled into secondary for hitting the sauce before hitting the slopes.

A traveller from Jamaica gets irate in secondary; officers discover a fisherman wants to smoke more than just fish; a family on their way to the park is packing heat with their diapers; a man returns home after 14 years.

A soldier goes AWOL and the 4077th receives fresh eggs from a grateful farmer.

B.J. attempts to pull off the ultimate practical joke on Hawkeye.

Callen and the team discover that Anna is being held by a group with ties to Anna's upbringing and must rescue her before she is forcibly returned to Russia; Adm. Kilbride makes Nell a serious offer.

The team must find four escaped convicts before a rival team finds them; Hondo's leadership is called into question when Street flagrantly disregards protocol.

Rick, Corey and Chum head to the nation's capital; the patriotic pals call on some trusted experts to help lay down the law for good deals; in between the event, Chum and Corey get carried away in a massive mansion.

A maximum-security prison on the banks of the Hudson, just 30 miles north of New York City, gives rise to the saying, being sent up the river.

On the Hanoi Hilton, an American POW prison of the Vietnam War located in the city of Hanoi, Vietnam; captives include John McCain, the group of airmen who invent a secret communication code, and Jerimiah Denton who sneaks messages home on live TV.

A soldier goes AWOL and the 4077th receives fresh eggs from a grateful farmer.

B.J. attempts to pull off the ultimate practical joke on Hawkeye.

The team must find four escaped convicts before a rival team finds them; Hondo's leadership is called into question when Street flagrantly disregards protocol.

The legendary treasures of the Copper Scroll, King Solomon's mines, and the Syamantaka Gem have captivated the world for centuries, exploring if these vast fortunes still be out there, waiting to be discovered.

A maximum-security prison on the banks of the Hudson, just 30 miles north of New York City, gives rise to the saying, being sent up the river.

On the Hanoi Hilton, an American POW prison of the Vietnam War located in the city of Hanoi, Vietnam; captives include John McCain, the group of airmen who invent a secret communication code, and Jerimiah Denton who sneaks messages home on live TV.

Focusing on the conflict between the families' old guard and a new generation of younger, American-born, mobsters willing to defy the authority of the bosses and the long-established rules in order to fulfill their own ambitions.

A maximum-security prison on the banks of the Hudson, just 30 miles north of New York City, gives rise to the saying, being sent up the river.

On the Hanoi Hilton, an American POW prison of the Vietnam War located in the city of Hanoi, Vietnam; captives include John McCain, the group of airmen who invent a secret communication code, and Jerimiah Denton who sneaks messages home on live TV.

Focusing on the conflict between the families' old guard and a new generation of younger, American-born, mobsters willing to defy the authority of the bosses and the long-established rules in order to fulfill their own ambitions.

The legendary treasures of the Copper Scroll, King Solomon's mines, and the Syamantaka Gem have captivated the world for centuries, exploring if these vast fortunes still be out there, waiting to be discovered.

Rick, Corey and Chum head to the nation's capital; the patriotic pals call on some trusted experts to help lay down the law for good deals; in between the event, Chum and Corey get carried away in a massive mansion.

The team must find four escaped convicts before a rival team finds them; Hondo's leadership is called into question when Street flagrantly disregards protocol.

Callen and the team discover that Anna is being held by a group with ties to Anna's upbringing and must rescue her before she is forcibly returned to Russia; Adm. Kilbride makes Nell a serious offer.

Ted, Justin and Brandon race against the clock to extract a highly valuable art deco bar from a historic watering hole, but its sheer size and weight pose unexpected challenges.

Mike and Avery try to get an auctioneer to help them downsize their collections, but Avery scares him off; frame issues leave Mike's restoration of a Diamond T truck dead in the water.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

Ted, Justin and Brandon race against the clock to extract a highly valuable art deco bar from a historic watering hole, but its sheer size and weight pose unexpected challenges.

Mike and Avery try to get an auctioneer to help them downsize their collections, but Avery scares him off; frame issues leave Mike's restoration of a Diamond T truck dead in the water.

A traveler wants to put his past conviction behind him; officers question a man about his extra appendage; a detector dog discovers a feast of forbidden food in a French couple's bags; a traveler has a shocking confession in secondary.

It's curtains for an American street performer; a pleading traveler fails to declare her shisha tobacco; officers are on a mission after a preacher and his wife fail to declare their cash; a businessman from China gets belligerent.

Psychiatrist Dr. Sidney Freedman visits the 4077th when Col. Potter loses all confidence in himself as a physician.

While under intense enemy shelling in a combat zone, Hawkeye decides it is time to make out his will.

NCIS obtains a hard drive containing a deepfake of a deceased terrorist and must retrieve the dangerous technology behind it; communications are hijacked during the mission.

Newcomer Jim Street jeopardizes his spot on Hondo's team; the team searches for a ruthless drug trafficker who is using immigrants as couriers.

HM Maze prison was a notorious lock up for IRA prisoners in Northern Ireland; a small ring of IRA prisoners secretly planned what they hoped would be a massive prison break.

As the Cold War ramps up, a well-dressed man is found dead within miles of a nuclear testing site on a tranquil Australian beach; there are no clues to his identity or what could have happened.

Psychiatrist Dr. Sidney Freedman visits the 4077th when Col. Potter loses all confidence in himself as a physician.

While under intense enemy shelling in a combat zone, Hawkeye decides it is time to make out his will.

Newcomer Jim Street jeopardizes his spot on Hondo's team; the team searches for a ruthless drug trafficker who is using immigrants as couriers.

Focusing on the conflict between the families' old guard and a new generation of younger, American-born, mobsters willing to defy the authority of the bosses and the long-established rules in order to fulfill their own ambitions.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

HM Maze prison was a notorious lock up for IRA prisoners in Northern Ireland; a small ring of IRA prisoners secretly planned what they hoped would be a massive prison break.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

As the Cold War ramps up, a well-dressed man is found dead within miles of a nuclear testing site on a tranquil Australian beach; there are no clues to his identity or what could have happened.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

Newcomer Jim Street jeopardizes his spot on Hondo's team; the team searches for a ruthless drug trafficker who is using immigrants as couriers.

NCIS obtains a hard drive containing a deepfake of a deceased terrorist and must retrieve the dangerous technology behind it; communications are hijacked during the mission.

While salvaging an old hotel in the heart of the city, Ted pulls out all the stops to confirm his suspicion there was once a popular underground nightclub where forgotten treasures may still hide.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

While salvaging an old hotel in the heart of the city, Ted pulls out all the stops to confirm his suspicion there was once a popular underground nightclub where forgotten treasures may still hide.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

Officers confront an American soldier running scared; a slick-talking ladies man tries his charm; a baggage search turns cheesy; an American hits the jackpot and declares a big pile of cash; officers have their job down to a fine art.

An Aussie's criminal past threatens to keep him from his girlfriend; officers discover more than gym clothes in a traveller's duffle bag; an American trio may be out; an unclaimed suitcase from Dubai; a frequent flyer goes gaga.

The surgeons suffer a barrage of preferential treatment from the enlisted personnel when they are placed on the camp's promotion board.

A heavyweight boxing champion pays a goodwill visit to the 4077th.

When military grade technology is stolen, a deaf engineer helps Kensi and NCIS track down the tech before it's taken out of the country.

After a domestic bomber dies in an explosion, the SWAT team races to find the man's partner before more devices detonate; Hondo reaches out to his former team leader.

During the Middle Ages, the Vikings were infamous for being a bloodthirsty band of seafaring warriors; historians are learning surprising new things about this Norse society.

For thousands of years, humankind has attempted to make contact with beings from beyond Earth; now, the search for extraterrestrial intelligence is ramping up, with new technologies allowing individuals to explore the universe.

The surgeons suffer a barrage of preferential treatment from the enlisted personnel when they are placed on the camp's promotion board.

A heavyweight boxing champion pays a goodwill visit to the 4077th.

After a domestic bomber dies in an explosion, the SWAT team races to find the man's partner before more devices detonate; Hondo reaches out to his former team leader.

After a domestic bomber dies in an explosion, the SWAT team races to find the man's partner before more devices detonate; Hondo reaches out to his former team leader.

During the Middle Ages, the Vikings were infamous for being a bloodthirsty band of seafaring warriors; historians are learning surprising new things about this Norse society.

Earth's moon is only one of hundreds in the solar system, each of them a mysterious and often bizarre world; analyzing if alien moons offer a key to explore outer space and even finding a new home for humanity.

For thousands of years, humankind has attempted to make contact with beings from beyond Earth; now, the search for extraterrestrial intelligence is ramping up, with new technologies allowing individuals to explore the universe.

After hearing incredible testimony about a UFO crashing on Skinwalker Ranch many years ago, the team makes a shocking discovery inside the rocky Mesa.

Earth's moon is only one of hundreds in the solar system, each of them a mysterious and often bizarre world; analyzing if alien moons offer a key to explore outer space and even finding a new home for humanity.

More than 10,000 crop circle formations have been documented in over 50 countries.

During the Middle Ages, the Vikings were infamous for being a bloodthirsty band of seafaring warriors; historians are learning surprising new things about this Norse society.

For thousands of years, humankind has attempted to make contact with beings from beyond Earth; now, the search for extraterrestrial intelligence is ramping up, with new technologies allowing individuals to explore the universe.

After a domestic bomber dies in an explosion, the SWAT team races to find the man's partner before more devices detonate; Hondo reaches out to his former team leader.

When military grade technology is stolen, a deaf engineer helps Kensi and NCIS track down the tech before it's taken out of the country.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

Dale has to confront his past in a desperate attempt to keep his failing business alive; Dave has a meltdown stranded on a back road with a heavy load; Craig gets greasy on a biodiesel run with his girlfriend's truck.

Dale has to confront his past in a desperate attempt to keep his failing business alive; Dave has a meltdown stranded on a back road with a heavy load; Craig gets greasy on a biodiesel run with his girlfriend's truck.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

Food conglomerate Campbell's kickstarts what will become an Italian American food revolution, launching SpaghettiOs and then Prego and along the way, transforming everything from home cooking to casual dining.

A friend swings by to show Rick and Chum a star-studded collection of photos; a vintage LP of the single "We Are the World" spins into the shop; Chum and Santos give each other a hand, when they check out an ancient Chinese cannon.

The Wolfe brothers seal the deal on a one-of-a-kind bi-plane; an appraiser has both good and bad news about a pricey Wild West impulse purchase.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

Earth's moon is only one of hundreds in the solar system, each of them a mysterious and often bizarre world; analyzing if alien moons offer a key to explore outer space and even finding a new home for humanity.

Earth's moon is only one of hundreds in the solar system, each of them a mysterious and often bizarre world; analyzing if alien moons offer a key to explore outer space and even finding a new home for humanity.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

When Sam's friend Tom Olsen finds himself being hunted down by enemies from his past, the NCIS team must find out who is after him.

The NCIS team must quickly find Kensi and Fatima after they are kidnapped and drugged while searching for a missing Navy lieutenant who they learn has ties to a dangerous militia.

When faced with a series of random shootings, one team member's family connections could be the key to stopping the next attack; Hondo prepares to meet Rochelle's parents for the first time; Tan helps Luca navigate a sensitive situation.

The SWAT team races to locate a young boy abducted from a homeless shelter; Street allows his personal history to cloud his judgement on the kidnapping case; Hondo and Nichelle find themselves at odds over their spiritual beliefs.

The team participates in a joint task force with the FBI when a car bombing has ties to a terrorist group planning an attack in Los Angeles; a tragedy from Deacon's past gives insight into the origins of his faith.

When faced with a series of random shootings, one team member's family connections could be the key to stopping the next attack; Hondo prepares to meet Rochelle's parents for the first time; Tan helps Luca navigate a sensitive situation.

The SWAT team races to locate a young boy abducted from a homeless shelter; Street allows his personal history to cloud his judgement on the kidnapping case; Hondo and Nichelle find themselves at odds over their spiritual beliefs.

The team participates in a joint task force with the FBI when a car bombing has ties to a terrorist group planning an attack in Los Angeles; a tragedy from Deacon's past gives insight into the origins of his faith.

When Sam's friend Tom Olsen finds himself being hunted down by enemies from his past, the NCIS team must find out who is after him.

The NCIS team must quickly find Kensi and Fatima after they are kidnapped and drugged while searching for a missing Navy lieutenant who they learn has ties to a dangerous militia.

Mike and Frank make good on a promise to restore a 1935 Auburn and take the original owners for a ride.

Duane wins two more Electra contracts; Tyler learns landing the DC-3 takes practice.

The completion of a major contract is in jeopardy when Duane leaves the crew to spend time at home.

Kevin faces disasters everywhere; his logging operation is shut down, his main client threatens to walk, and he locks horns with his right-hand man.

Logger Kevin Wenstob is forced to make a tough call to make up for lost time on his mountainside timber claim.

Logger Kevin Wenstob is forced to make a tough call to make up for lost time on his mountainside timber claim.

Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades; stories include the serial killer Son of Sam who gets his throat slashed, a successful escape, and a riot.

Leavenworth located 25-miles northwest of Kansas City, was the largest maximum-security federal prison in the United States for over a hundred years; Carl Panzram, Robert Stroud and Tommy Silverstein share stories of life behind its walls.

When Sam's friend Tom Olsen finds himself being hunted down by enemies from his past, the NCIS team must find out who is after him.

The NCIS team must quickly find Kensi and Fatima after they are kidnapped and drugged while searching for a missing Navy lieutenant who they learn has ties to a dangerous militia.

When faced with a series of random shootings, one team member's family connections could be the key to stopping the next attack; Hondo prepares to meet Rochelle's parents for the first time; Tan helps Luca navigate a sensitive situation.

The SWAT team races to locate a young boy abducted from a homeless shelter; Street allows his personal history to cloud his judgement on the kidnapping case; Hondo and Nichelle find themselves at odds over their spiritual beliefs.

The team participates in a joint task force with the FBI when a car bombing has ties to a terrorist group planning an attack in Los Angeles; a tragedy from Deacon's past gives insight into the origins of his faith.

After facing off against a fellow champ, only one smith will remain and be tasked with making a M1917 Naval Cutlass, against either Gladiator of the Forge Jesse Hu, Superchamp Collin Sage, or Undefeated Judge Ben Abbott.

A lifelong escape artist, Forrest Tucker, ends up in San Quentin prison; despite his advanced age, he manages to engineer an audacious prison break.

Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades; stories include the serial killer Son of Sam who gets his throat slashed, a successful escape, and a riot.

Leavenworth located 25-miles northwest of Kansas City, was the largest maximum-security federal prison in the United States for over a hundred years; Carl Panzram, Robert Stroud and Tommy Silverstein share stories of life behind its walls.

A look at what happened to the secret hoard of the Knights Templar, a treasure of gold, silver, gems and religious relics protected by a medieval religious order.

Monkey glands for immortality, hypnotized assassins and a brain-linked cyborg couple; investigating some of the strangest experiments on record.

When the team launches an illuminated swarm of drones on Skinwalker Ranch, they are stunned by a series of mysterious events.

A lifelong escape artist, Forrest Tucker, ends up in San Quentin prison; despite his advanced age, he manages to engineer an audacious prison break.

Monkey glands for immortality, hypnotized assassins and a brain-linked cyborg couple; investigating some of the strangest experiments on record.

When the team launches an illuminated swarm of drones on Skinwalker Ranch, they are stunned by a series of mysterious events.

A look at what happened to the secret hoard of the Knights Templar, a treasure of gold, silver, gems and religious relics protected by a medieval religious order.

After facing off against a fellow champ, only one smith will remain and be tasked with making a M1917 Naval Cutlass, against either Gladiator of the Forge Jesse Hu, Superchamp Collin Sage, or Undefeated Judge Ben Abbott.

Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades; stories include the serial killer Son of Sam who gets his throat slashed, a successful escape, and a riot.

Leavenworth located 25-miles northwest of Kansas City, was the largest maximum-security federal prison in the United States for over a hundred years; Carl Panzram, Robert Stroud and Tommy Silverstein share stories of life behind its walls.

A look at what happened to the secret hoard of the Knights Templar, a treasure of gold, silver, gems and religious relics protected by a medieval religious order.

Personal stories of what it was like to be a soldier during WWII; eyewitness accounts of deadly combat situations on land, sea and air.

Personal accounts from Canadian, American, British, French and German soldiers, footage and reenactments, of June 6th, 1944.

The great-great-granddaughter of one of Canada's first Black servicemen hunts down a missing relic; across the Prairies, a historical tailor decodes the deathbed confession of his grandfather, a World War II veteran.

A teenaged descendant of Onondaga runner Tom Longboat searches to discover the World War I veteran's story; on the West Coast, a great grandson delves into the Great War to connect with the unknown side of his family.

The descendant of a World War I nurse killed in a war crime investigates the story behind a treasured photograph; in Ontario, a young man on the cusp of enlisting in the army digs into the secret World War II history of his code-breaking great aunt.

A Japanese-Canadian survivor of World War II internment and his daughter discover their family's past; in another child-parent story, the son of Royal Canadian Airforce bomb aimer uncovers the prisoner-of-war experience his father never spoke about.

Holocaust survivors Helen Yermus, Maxwell Smart, and Rose Lipsyzc share their stories of terror, bravery and resilience.

Five surviving members of Canada's Black Watch sniper unit recount their experiences in World War II.

Exploring the untold stories of the triumphs and challenges of Black Canadian and Caribbean soldiers who served in the Canadian Army at the height of Nazism during World War II, and the sacrifices made by Canadian soldiers of all backgrounds.

Personal stories of what it was like to be a soldier during WWII; eyewitness accounts of deadly combat situations on land, sea and air.

Personal accounts from Canadian, American, British, French and German soldiers, footage and reenactments, of June 6th, 1944.

After four years of unimaginable horror on the battlefield, the Allies are exhausted and in danger of losing to Germany; General John J. Pershing races to train and deploy the untested American Army before democracy collapses in Europe.

The descendant of a World War I nurse killed in a war crime investigates the story behind a treasured photograph; in Ontario, a young man on the cusp of enlisting in the army digs into the secret World War II history of his code-breaking great aunt.

After four years of unimaginable horror on the battlefield, the Allies are exhausted and in danger of losing to Germany; General John J. Pershing races to train and deploy the untested American Army before democracy collapses in Europe.

Exploring the untold stories of the triumphs and challenges of Black Canadian and Caribbean soldiers who served in the Canadian Army at the height of Nazism during World War II, and the sacrifices made by Canadian soldiers of all backgrounds.

Personal stories of what it was like to be a soldier during WWII; eyewitness accounts of deadly combat situations on land, sea and air.

A Japanese-Canadian survivor of World War II internment and his daughter discover their family's past; in another child-parent story, the son of Royal Canadian Airforce bomb aimer uncovers the prisoner-of-war experience his father never spoke about.

A lifelong collector's sprawling property proves to be uniquely challenging for the salvage team as they race to undercover enough valuable treasures to make their long road trip worthwhile; Ron is under pressure to get a vintage truck working.

The crew at a new restoration shop takes on their first jobs restoring vintage cars, including a 1966 Lincoln Ragtop convertible and a 1970 Dodge Dart Swinger.

While looking for antiques in Quebec's horse country, the Pickers make a large offer on two of the best pieces they have ever seen.

A lifelong collector's sprawling property proves to be uniquely challenging for the salvage team as they race to undercover enough valuable treasures to make their long road trip worthwhile; Ron is under pressure to get a vintage truck working.

The crew at a new restoration shop takes on their first jobs restoring vintage cars, including a 1966 Lincoln Ragtop convertible and a 1970 Dodge Dart Swinger.

A hostile traveller is spitting mad; officers hammer down on a suspicious motorcycle receipt; a travel agent's last-minute booking raises red flags; a traveller is too last-minute for comfort; officers smell a rat; a tornado proof tank blows.

A traveller with a criminal past turned his life around, but that might not stop officers from turning him around; an American driver scrambles to his trunk; a furry traveller; officers find something fowl in a jacket.

Hawkeye desperately tries to contact his hospitalized father in Maine while the rest of the camp is preoccupied with a bowling match against a group of Marines.

Col. Potter decides to paint a picture of the 4077th crew for Mildred's birthday.

When a naval intelligence officer is tortured and murdered, NCIS discovers that CIA operatives are being killed in the same way; Kensi receives a threatening postcard from David Kessler, the sociopath who is obsessed with her.

SWAT imposters commit home invasions; Hondo suspects the burglarized families are hiding something; Deacon and Luca are assigned to protect a visiting professional hockey player who is receiving death threats.

In the late 1800s, two pharmacists 1500 miles apart race to create healthy, non-alcoholic beverage options, kickstarting the entire soda industry with their breakout hits: Hires Root Beer and Dr. Pepper.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

Hawkeye desperately tries to contact his hospitalized father in Maine while the rest of the camp is preoccupied with a bowling match against a group of Marines.

Col. Potter decides to paint a picture of the 4077th crew for Mildred's birthday.

SWAT imposters commit home invasions; Hondo suspects the burglarized families are hiding something; Deacon and Luca are assigned to protect a visiting professional hockey player who is receiving death threats.

After four years of unimaginable horror on the battlefield, the Allies are exhausted and in danger of losing to Germany; General John J. Pershing races to train and deploy the untested American Army before democracy collapses in Europe.

After Germany makes an all-out push to take Paris, America is forced to make hard decisions that will either break the Allies or turn the tide of war.

In the late 1800s, two pharmacists 1500 miles apart race to create healthy, non-alcoholic beverage options, kickstarting the entire soda industry with their breakout hits: Hires Root Beer and Dr. Pepper.

After Germany makes an all-out push to take Paris, America is forced to make hard decisions that will either break the Allies or turn the tide of war.

In 1987, a small-time drug dealer forms a hip-hop based group in his hometown of Compton, California; the group's brand of "reality rap" draws backlash; a Seattle-based rock band pioneers a new sound that channels suburban angst and disillusionment.

In the late 1800s, two pharmacists 1500 miles apart race to create healthy, non-alcoholic beverage options, kickstarting the entire soda industry with their breakout hits: Hires Root Beer and Dr. Pepper.

SWAT imposters commit home invasions; Hondo suspects the burglarized families are hiding something; Deacon and Luca are assigned to protect a visiting professional hockey player who is receiving death threats.

When a naval intelligence officer is tortured and murdered, NCIS discovers that CIA operatives are being killed in the same way; Kensi receives a threatening postcard from David Kessler, the sociopath who is obsessed with her.

Ted and the salvage team undertake the challenge of salvaging a decommissioned 727 airplane; while Ted scrambles for buyers, the pressure mounts as Ryan wants to see the airplane sold for scrap.

Mike's brother entrusts him to restore his 1964 Buick Riviera dream car; Mike restores a 1966 Beaumont Sport Deluxe; Mike hires a 17-year-old apprentice who's failed her driver's test and needs her licence to do the job.

Scott and Sheldon uncover nine bar tables reportedly from the tavern owned by NHL star Henri Richard.

Ted and the salvage team undertake the challenge of salvaging a decommissioned 727 airplane; while Ted scrambles for buyers, the pressure mounts as Ryan wants to see the airplane sold for scrap.

Mike's brother entrusts him to restore his 1964 Buick Riviera dream car; Mike restores a 1966 Beaumont Sport Deluxe; Mike hires a 17-year-old apprentice who's failed her driver's test and needs her licence to do the job.

Two missing bags don't add up for an untruthful traveler; an American does a friend a favor that may land him in troubled waters; mail center officers discover art for narcotic's sake; a traveler's visa reveals more than she does.

Customs and immigration officials work to protect their borders.

While Hawkeye is serving as paymaster, a goat eats $22,000 in cash.

Dreaded Col. Bucholtz comes to inspect the nursing staff.

Deeks is kidnapped by an associate of Kirkin's who is in need of his help; NCIS investigates the shooting of a militarized dolphin equipped with a Russian microchip; Beale makes Nell an interesting offer.

Hondo allows newbie Jim Street to go under cover to bust a ruthless trafficker; Hondo visits the teenager recently shot by a former member of the SWAT team.

Rick takes the guys on a culinary trip down memory lane, inspired by many of the places they visited and items they saw including a turbocharged Porsche collection in the Midwest and a massive revolutionary war cannon on the East Coast.

San Quentin located in Marin County on the San Francisco Bay is California's oldest prison dating back to the gold rush, and home to the state's only gas chamber.

Dannemora prison opens in 1845 as a source of free labor for the local mines; Kenneth Kimes takes a Court TV producer hostage; Tupac Shakur stirs up trouble; Richard Matt and David Sweat attempt to escape.

While Hawkeye is serving as paymaster, a goat eats $22,000 in cash.

Dreaded Col. Bucholtz comes to inspect the nursing staff.

Hondo allows newbie Jim Street to go under cover to bust a ruthless trafficker; Hondo visits the teenager recently shot by a former member of the SWAT team.