The legendary Japanese samurai Musashi meets his archrival Kojiro in a climactic duel in 1612. Host: Terry Schappert.

The Vietnam War; Desert Storm; the Balkans; the second Gulf War.

Disasters and losses; Jimmy Doolittle changes fighter escort tactics; shuttle bombing; the Tuskegee Airmen.

The Knights of St. John defend Malta from attacking Ottoman Turks in one of history's greatest sieges and the last battle of the Crusades in 1565.

The legendary Japanese samurai Musashi meets his archrival Kojiro in a climactic duel in 1612. Host: Terry Schappert.

A commemoration of the Japanese attack on Pearl Harbor explores both well-known and lesser-known stories from a day that will forever live in infamy; experts, eyewitnesses and military minds show how this tragedy continues to shape the United States.

See how a drug-free patch is helping people find relief-without medication.

Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

See how a drug-free patch is helping people find relief-without medication.

Paid programming.

The Knights of St. John defend Malta from attacking Ottoman Turks in one of history's greatest sieges and the last battle of the Crusades in 1565.

The legendary Japanese samurai Musashi meets his archrival Kojiro in a climactic duel in 1612. Host: Terry Schappert.

A commemoration of the Japanese attack on Pearl Harbor explores both well-known and lesser-known stories from a day that will forever live in infamy; experts, eyewitnesses and military minds show how this tragedy continues to shape the United States.

The Vietnam War; Desert Storm; the Balkans; the second Gulf War.

Disasters and losses; Jimmy Doolittle changes fighter escort tactics; shuttle bombing; the Tuskegee Airmen.

The Knights of St. John defend Malta from attacking Ottoman Turks in one of history's greatest sieges and the last battle of the Crusades in 1565.

The legendary Japanese samurai Musashi meets his archrival Kojiro in a climactic duel in 1612. Host: Terry Schappert.

A commemoration of the Japanese attack on Pearl Harbor explores both well-known and lesser-known stories from a day that will forever live in infamy; experts, eyewitnesses and military minds show how this tragedy continues to shape the United States.

Thirty years after the American Revolution, Britain threatens the independence and sovereignty of its former colonies; this war leaves the Capitol in flames, inspires the national anthem and sees the United States emerge as a world power.

The 20th century sees rickety box kites turn into supersonic jets with apocalyptic firepower.

The USS Enterprise supports one of the largest and most deadly battles of the Pacific War, nearly wiping out Japanese naval air power in the "Great Marianas Turkey Shoot."

Brilliant tactics and battlefield discipline help the Spartans spearhead the Greek victory over the Persians in the Battle of Plataea in 479 B.C., avenging the defeat of the 300 Spartans at Thermopylae.

Viking pillagers meet their match in the Saxons at the Battle of Maldon in 881 A.D. in what is now Essex, England.

The 20th century sees rickety box kites turn into supersonic jets with apocalyptic firepower.

The USS Enterprise supports one of the largest and most deadly battles of the Pacific War, nearly wiping out Japanese naval air power in the "Great Marianas Turkey Shoot."

Brilliant tactics and battlefield discipline help the Spartans spearhead the Greek victory over the Persians in the Battle of Plataea in 479 B.C., avenging the defeat of the 300 Spartans at Thermopylae.

Viking pillagers meet their match in the Saxons at the Battle of Maldon in 881 A.D. in what is now Essex, England.

Thirty years after the American Revolution, Britain threatens the independence and sovereignty of its former colonies; this war leaves the Capitol in flames, inspires the national anthem and sees the United States emerge as a world power.

Cut up to half the cost of your monthly cell phone bill; same towers, same coverage, but a lot less money; it sounds great but is it too good to be true?; join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

See how a drug-free patch is helping people find relief-without medication.

Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.

See why this cleaning tool replaces chemicals and hard labor!

Brilliant tactics and battlefield discipline help the Spartans spearhead the Greek victory over the Persians in the Battle of Plataea in 479 B.C., avenging the defeat of the 300 Spartans at Thermopylae.

Viking pillagers meet their match in the Saxons at the Battle of Maldon in 881 A.D. in what is now Essex, England.

Thirty years after the American Revolution, Britain threatens the independence and sovereignty of its former colonies; this war leaves the Capitol in flames, inspires the national anthem and sees the United States emerge as a world power.

The 20th century sees rickety box kites turn into supersonic jets with apocalyptic firepower.

The USS Enterprise supports one of the largest and most deadly battles of the Pacific War, nearly wiping out Japanese naval air power in the "Great Marianas Turkey Shoot."

Brilliant tactics and battlefield discipline help the Spartans spearhead the Greek victory over the Persians in the Battle of Plataea in 479 B.C., avenging the defeat of the 300 Spartans at Thermopylae.

Viking pillagers meet their match in the Saxons at the Battle of Maldon in 881 A.D. in what is now Essex, England.

Thirty years after the American Revolution, Britain threatens the independence and sovereignty of its former colonies; this war leaves the Capitol in flames, inspires the national anthem and sees the United States emerge as a world power.

Personal profiles of two iconic leaders of the Civil War indicate how these men changed the course of American history.

Early methods of airborne attack; medieval kite bomb; bouncing bombs terrorize shipping in Turkey in 1453; Chinese commanders use whistling arrows to direct battles; Chinese rockets; the earliest known successful parachute.

The amazing successes and stunning failures of ancient military engineers influence today's weapons and tactics; an ancient Greek weapon is still used on aircraft carriers; rapid-firing Chinese catapult; Hannibal crosses the Alps.

Recent archaeological discoveries unearth secrets of the Mayans' fierce warrior society built on human sacrifice, bizarre rituals and deadly weapons; a bloody battle at Dos Pilas leads to the downfall of the pre-Columbian warrior society.

Led by King Henry V, outnumbered English knights and archers slaughter French knights at Agincourt in 1415.

Early methods of airborne attack; medieval kite bomb; bouncing bombs terrorize shipping in Turkey in 1453; Chinese commanders use whistling arrows to direct battles; Chinese rockets; the earliest known successful parachute.

The amazing successes and stunning failures of ancient military engineers influence today's weapons and tactics; an ancient Greek weapon is still used on aircraft carriers; rapid-firing Chinese catapult; Hannibal crosses the Alps.

Recent archaeological discoveries unearth secrets of the Mayans' fierce warrior society built on human sacrifice, bizarre rituals and deadly weapons; a bloody battle at Dos Pilas leads to the downfall of the pre-Columbian warrior society.

Led by King Henry V, outnumbered English knights and archers slaughter French knights at Agincourt in 1415.

Personal profiles of two iconic leaders of the Civil War indicate how these men changed the course of American history.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

See how a drug-free patch is helping people find relief-without medication.

Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.

Recent archaeological discoveries unearth secrets of the Mayans' fierce warrior society built on human sacrifice, bizarre rituals and deadly weapons; a bloody battle at Dos Pilas leads to the downfall of the pre-Columbian warrior society.

Led by King Henry V, outnumbered English knights and archers slaughter French knights at Agincourt in 1415.

Personal profiles of two iconic leaders of the Civil War indicate how these men changed the course of American history.

Early methods of airborne attack; medieval kite bomb; bouncing bombs terrorize shipping in Turkey in 1453; Chinese commanders use whistling arrows to direct battles; Chinese rockets; the earliest known successful parachute.

The amazing successes and stunning failures of ancient military engineers influence today's weapons and tactics; an ancient Greek weapon is still used on aircraft carriers; rapid-firing Chinese catapult; Hannibal crosses the Alps.

Recent archaeological discoveries unearth secrets of the Mayans' fierce warrior society built on human sacrifice, bizarre rituals and deadly weapons; a bloody battle at Dos Pilas leads to the downfall of the pre-Columbian warrior society.

Led by King Henry V, outnumbered English knights and archers slaughter French knights at Agincourt in 1415.

Personal profiles of two iconic leaders of the Civil War indicate how these men changed the course of American history.

The next generation of combat aircraft includes the U.S. F-22 and F-35, the Eurofighter Typhoon, the Russian Su-35 and Su-37, and China's Chengdu J-10.

Ancient secret agents; fire beacons, horses and pigeons are used to transmit messages over thousands of miles; ancient spies use invisible ink made from human sperm and write messages inside raw eggs; Japanese ninjas use explosives.

Exploring how modern military innovations stem from ancient Chinese inventions like gunpowder and automated crossbows.

By the end of the Vietnam War, 135 photojournalists from both sides of the war had died while picturing a dark, sad story - with little in common but guts and cameras.

A Soviet semi-automatic rifle used in the 1941 Nazis invasion; a tactical OBR with 20 rounds of magazines; the Milkor M32A1 grenade launcher; an FNFAL self-loading selective fire battle rifle; a mortar-rigged barbed wire fence.

Ancient secret agents; fire beacons, horses and pigeons are used to transmit messages over thousands of miles; ancient spies use invisible ink made from human sperm and write messages inside raw eggs; Japanese ninjas use explosives.

Exploring how modern military innovations stem from ancient Chinese inventions like gunpowder and automated crossbows.

By the end of the Vietnam War, 135 photojournalists from both sides of the war had died while picturing a dark, sad story - with little in common but guts and cameras.

A Soviet semi-automatic rifle used in the 1941 Nazis invasion; a tactical OBR with 20 rounds of magazines; the Milkor M32A1 grenade launcher; an FNFAL self-loading selective fire battle rifle; a mortar-rigged barbed wire fence.

The next generation of combat aircraft includes the U.S. F-22 and F-35, the Eurofighter Typhoon, the Russian Su-35 and Su-37, and China's Chengdu J-10.

See how a drug-free patch is helping people find relief-without medication.

See how a drug-free patch is helping people find relief-without medication.

See why this cleaning tool replaces chemicals and hard labor!

By the end of the Vietnam War, 135 photojournalists from both sides of the war had died while picturing a dark, sad story - with little in common but guts and cameras.

A Soviet semi-automatic rifle used in the 1941 Nazis invasion; a tactical OBR with 20 rounds of magazines; the Milkor M32A1 grenade launcher; an FNFAL self-loading selective fire battle rifle; a mortar-rigged barbed wire fence.

The next generation of combat aircraft includes the U.S. F-22 and F-35, the Eurofighter Typhoon, the Russian Su-35 and Su-37, and China's Chengdu J-10.

Ancient secret agents; fire beacons, horses and pigeons are used to transmit messages over thousands of miles; ancient spies use invisible ink made from human sperm and write messages inside raw eggs; Japanese ninjas use explosives.

Exploring how modern military innovations stem from ancient Chinese inventions like gunpowder and automated crossbows.

By the end of the Vietnam War, 135 photojournalists from both sides of the war had died while picturing a dark, sad story - with little in common but guts and cameras.

A Soviet semi-automatic rifle used in the 1941 Nazis invasion; a tactical OBR with 20 rounds of magazines; the Milkor M32A1 grenade launcher; an FNFAL self-loading selective fire battle rifle; a mortar-rigged barbed wire fence.

The next generation of combat aircraft includes the U.S. F-22 and F-35, the Eurofighter Typhoon, the Russian Su-35 and Su-37, and China's Chengdu J-10.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

Comparison test between a shotgun and a staff, the oldest known weapon; the deadly Chinese "ermei" underwater attack weapon; examining whether Chi warriors can really kill a man with a single touch; ancient Chinese crossbows.

Secret training, special operations, and amazing technology used by the FBI are exposed; most notorious agents; how the Internet age has changed law enforcement.

The 14 remaining marksmen choose their rivals for a head-to-head showdown with the Sig Sauer P229.

Trick shots are used to determine who stays and who goes; three teams of five perform the Annie Oakley shot; bowling pin challenge; shooting pipes out of mannequins' mouths.

Comparison test between a shotgun and a staff, the oldest known weapon; the deadly Chinese "ermei" underwater attack weapon; examining whether Chi warriors can really kill a man with a single touch; ancient Chinese crossbows.

Secret training, special operations, and amazing technology used by the FBI are exposed; most notorious agents; how the Internet age has changed law enforcement.

The 14 remaining marksmen choose their rivals for a head-to-head showdown with the Sig Sauer P229.

Trick shots are used to determine who stays and who goes; three teams of five perform the Annie Oakley shot; bowling pin challenge; shooting pipes out of mannequins' mouths.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

Cut up to half the cost of your monthly cell phone bill; same towers, same coverage, but a lot less money; it sounds great but is it too good to be true?; join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

See how a drug-free patch is helping people find relief-without medication.

The 14 remaining marksmen choose their rivals for a head-to-head showdown with the Sig Sauer P229.

Trick shots are used to determine who stays and who goes; three teams of five perform the Annie Oakley shot; bowling pin challenge; shooting pipes out of mannequins' mouths.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

Comparison test between a shotgun and a staff, the oldest known weapon; the deadly Chinese "ermei" underwater attack weapon; examining whether Chi warriors can really kill a man with a single touch; ancient Chinese crossbows.

Secret training, special operations, and amazing technology used by the FBI are exposed; most notorious agents; how the Internet age has changed law enforcement.

The 14 remaining marksmen choose their rivals for a head-to-head showdown with the Sig Sauer P229.

Trick shots are used to determine who stays and who goes; three teams of five perform the Annie Oakley shot; bowling pin challenge; shooting pipes out of mannequins' mouths.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

The epicenter of American military operations is exposed, including how secrets are protected, and how 9/11 compromised top-secret information within.

Protocols, security, and hidden history of the free world's most public private residence.

The slide-action Beretta puts the contestants' pistol skills to the test; team accuracy is ranked; two compete in a zip-line elimination challenge.

The final four contestants compete to determine the winner of the $100,000 prize.

The epicenter of American military operations is exposed, including how secrets are protected, and how 9/11 compromised top-secret information within.

Protocols, security, and hidden history of the free world's most public private residence.

The slide-action Beretta puts the contestants' pistol skills to the test; team accuracy is ranked; two compete in a zip-line elimination challenge.

The final four contestants compete to determine the winner of the $100,000 prize.

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

Paid programming.

See how a drug-free patch is helping people find relief-without medication.

The slide-action Beretta puts the contestants' pistol skills to the test; team accuracy is ranked; two compete in a zip-line elimination challenge.

The final four contestants compete to determine the winner of the $100,000 prize.

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

The epicenter of American military operations is exposed, including how secrets are protected, and how 9/11 compromised top-secret information within.

Protocols, security, and hidden history of the free world's most public private residence.

The slide-action Beretta puts the contestants' pistol skills to the test; team accuracy is ranked; two compete in a zip-line elimination challenge.

The final four contestants compete to determine the winner of the $100,000 prize.

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

The Allies lay plans for the invasion of France; Bert Stiles and the 8th Air Force try to win air supremacy over Normandy as D-Day arrives.

More than 2,000 Civil War battles take place west of the Mississippi.

Shooters blast their way through an explosive individual challenge with a belt-fed Browning 1919 machine gun; an unconventional elimination challenge tests marksmanship, strength and memorization.

Using muzzle-loading weapons, contestants compete in an old-fashioned frontier face-off; a heated conflict on one team plays out in the elimination challenge.

The Allies lay plans for the invasion of France; Bert Stiles and the 8th Air Force try to win air supremacy over Normandy as D-Day arrives.

More than 2,000 Civil War battles take place west of the Mississippi.

Shooters blast their way through an explosive individual challenge with a belt-fed Browning 1919 machine gun; an unconventional elimination challenge tests marksmanship, strength and memorization.

Using muzzle-loading weapons, contestants compete in an old-fashioned frontier face-off; a heated conflict on one team plays out in the elimination challenge.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

Prosvent is a doctor formulated blend of rejuvenating herbs and nutrients that help protect overall prostate health.

Join Connie Craig-Carroll and health visionary Ken Meares as they uncover OmegaXL, the groundbreaking natural supplement transforming lives by tackling joint pain and inflammation.

Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

Paid programming.

Shooters blast their way through an explosive individual challenge with a belt-fed Browning 1919 machine gun; an unconventional elimination challenge tests marksmanship, strength and memorization.

Using muzzle-loading weapons, contestants compete in an old-fashioned frontier face-off; a heated conflict on one team plays out in the elimination challenge.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

The Allies lay plans for the invasion of France; Bert Stiles and the 8th Air Force try to win air supremacy over Normandy as D-Day arrives.

More than 2,000 Civil War battles take place west of the Mississippi.

Shooters blast their way through an explosive individual challenge with a belt-fed Browning 1919 machine gun; an unconventional elimination challenge tests marksmanship, strength and memorization.

Using muzzle-loading weapons, contestants compete in an old-fashioned frontier face-off; a heated conflict on one team plays out in the elimination challenge.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

A family from Baghdad and an American TV cameraman embedded in the U.S. Army give their perspectives on the Iraq war and its potential aftermath; host: Bob Woodruff.

Donald Goldstein, co-author of "At Dawn We Slept," leads a site survey of Pearl Harbor to revisit the Japanese attack and the lucky shot that sank the USS Arizona, Dec. 7, 1941.

Archaeologist Doug Scott helps filmmakers re-create the Battle of the Little Bighorn to provide insight into what happened at Custer's Last Stand.

The contestants' archery skills are put to the test with a modern compound bow; tubular team challenge; tensions with team leadership threaten to unravel the group.

A shoot off using one of the most powerful hand guns in history; a race where each team must carry a pole weighing over 200 pounds between eight foot tall firing platforms. an elimination challenge inspired by the stagecoaches of the old west.

Donald Goldstein, co-author of "At Dawn We Slept," leads a site survey of Pearl Harbor to revisit the Japanese attack and the lucky shot that sank the USS Arizona, Dec. 7, 1941.

Archaeologist Doug Scott helps filmmakers re-create the Battle of the Little Bighorn to provide insight into what happened at Custer's Last Stand.

The contestants' archery skills are put to the test with a modern compound bow; tubular team challenge; tensions with team leadership threaten to unravel the group.

A shoot off using one of the most powerful hand guns in history; a race where each team must carry a pole weighing over 200 pounds between eight foot tall firing platforms. an elimination challenge inspired by the stagecoaches of the old west.

A family from Baghdad and an American TV cameraman embedded in the U.S. Army give their perspectives on the Iraq war and its potential aftermath; host: Bob Woodruff.

Cut up to half the cost of your monthly cell phone bill; same towers, same coverage, but a lot less money; it sounds great but is it too good to be true?; join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

See how a drug-free patch is helping people find relief-without medication.

Cut up to half the cost of your monthly cell phone bill; same towers, same coverage, but a lot less money; it sounds great but is it too good to be true?; join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

Paid programming.

The contestants' archery skills are put to the test with a modern compound bow; tubular team challenge; tensions with team leadership threaten to unravel the group.

A shoot off using one of the most powerful hand guns in history; a race where each team must carry a pole weighing over 200 pounds between eight foot tall firing platforms. an elimination challenge inspired by the stagecoaches of the old west.

A family from Baghdad and an American TV cameraman embedded in the U.S. Army give their perspectives on the Iraq war and its potential aftermath; host: Bob Woodruff.

Donald Goldstein, co-author of "At Dawn We Slept," leads a site survey of Pearl Harbor to revisit the Japanese attack and the lucky shot that sank the USS Arizona, Dec. 7, 1941.

Archaeologist Doug Scott helps filmmakers re-create the Battle of the Little Bighorn to provide insight into what happened at Custer's Last Stand.

The contestants' archery skills are put to the test with a modern compound bow; tubular team challenge; tensions with team leadership threaten to unravel the group.

A shoot off using one of the most powerful hand guns in history; a race where each team must carry a pole weighing over 200 pounds between eight foot tall firing platforms. an elimination challenge inspired by the stagecoaches of the old west.

A family from Baghdad and an American TV cameraman embedded in the U.S. Army give their perspectives on the Iraq war and its potential aftermath; host: Bob Woodruff.

Actor and martial-arts champ Mark Dacascos explores the story of Miyamoto Musashi, the most-famous samurai in history, and trains in the weaponry and wisdom of Japan's great warriors.

The Knights of St. John defend Malta from attacking Ottoman Turks in one of history's greatest sieges and the last battle of the Crusades in 1565.

The legendary Japanese samurai Musashi meets his archrival Kojiro in a climactic duel in 1612. Host: Terry Schappert.

The final six marksmen must shoot from unstable platforms; Iain Harrison returns to lend a steady hand; tension among the final competitors comes to a head.

Two champions return as honorary captains for the team challenge; marksmen compete with an ultra modern assault rifle; a fight erupts between two competitors.

The Knights of St. John defend Malta from attacking Ottoman Turks in one of history's greatest sieges and the last battle of the Crusades in 1565.

The legendary Japanese samurai Musashi meets his archrival Kojiro in a climactic duel in 1612. Host: Terry Schappert.

The final six marksmen must shoot from unstable platforms; Iain Harrison returns to lend a steady hand; tension among the final competitors comes to a head.

Two champions return as honorary captains for the team challenge; marksmen compete with an ultra modern assault rifle; a fight erupts between two competitors.

Actor and martial-arts champ Mark Dacascos explores the story of Miyamoto Musashi, the most-famous samurai in history, and trains in the weaponry and wisdom of Japan's great warriors.

Paid programming.

Paid programming.

Paid programming.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

The final six marksmen must shoot from unstable platforms; Iain Harrison returns to lend a steady hand; tension among the final competitors comes to a head.

Two champions return as honorary captains for the team challenge; marksmen compete with an ultra modern assault rifle; a fight erupts between two competitors.

Actor and martial-arts champ Mark Dacascos explores the story of Miyamoto Musashi, the most-famous samurai in history, and trains in the weaponry and wisdom of Japan's great warriors.

The Knights of St. John defend Malta from attacking Ottoman Turks in one of history's greatest sieges and the last battle of the Crusades in 1565.

The legendary Japanese samurai Musashi meets his archrival Kojiro in a climactic duel in 1612. Host: Terry Schappert.

The final six marksmen must shoot from unstable platforms; Iain Harrison returns to lend a steady hand; tension among the final competitors comes to a head.

Two champions return as honorary captains for the team challenge; marksmen compete with an ultra modern assault rifle; a fight erupts between two competitors.

Actor and martial-arts champ Mark Dacascos explores the story of Miyamoto Musashi, the most-famous samurai in history, and trains in the weaponry and wisdom of Japan's great warriors.

U.S. Marines and civilians find themselves under attack from Japan on a tiny Pacific island.

Brilliant tactics and battlefield discipline help the Spartans spearhead the Greek victory over the Persians in the Battle of Plataea in 479 B.C., avenging the defeat of the 300 Spartans at Thermopylae.

Viking pillagers meet their match in the Saxons at the Battle of Maldon in 881 A.D. in what is now Essex, England.

Head-to-head speed-shooting showdown; the contestants get surprise visitors to help train.

German and Soviet soldiers clash in the city of Stalingrad for nearly six months in 1942 and 1943.

Brilliant tactics and battlefield discipline help the Spartans spearhead the Greek victory over the Persians in the Battle of Plataea in 479 B.C., avenging the defeat of the 300 Spartans at Thermopylae.

Viking pillagers meet their match in the Saxons at the Battle of Maldon in 881 A.D. in what is now Essex, England.

Head-to-head speed-shooting showdown; the contestants get surprise visitors to help train.

German and Soviet soldiers clash in the city of Stalingrad for nearly six months in 1942 and 1943.

U.S. Marines and civilians find themselves under attack from Japan on a tiny Pacific island.

See how a drug-free patch is helping people find relief-without medication.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

See how a drug-free patch is helping people find relief-without medication.

Cut up to half the cost of your monthly cell phone bill; same towers, same coverage, but a lot less money; it sounds great but is it too good to be true?; join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

Head-to-head speed-shooting showdown; the contestants get surprise visitors to help train.

German and Soviet soldiers clash in the city of Stalingrad for nearly six months in 1942 and 1943.

U.S. Marines and civilians find themselves under attack from Japan on a tiny Pacific island.

Brilliant tactics and battlefield discipline help the Spartans spearhead the Greek victory over the Persians in the Battle of Plataea in 479 B.C., avenging the defeat of the 300 Spartans at Thermopylae.

Viking pillagers meet their match in the Saxons at the Battle of Maldon in 881 A.D. in what is now Essex, England.

Head-to-head speed-shooting showdown; the contestants get surprise visitors to help train.

German and Soviet soldiers clash in the city of Stalingrad for nearly six months in 1942 and 1943.

U.S. Marines and civilians find themselves under attack from Japan on a tiny Pacific island.

Fall of Richmond; Lee's harrowing retreat; surrender at Appomattox Court House; Lincoln's assassination; reconstruction.