Schedule

As Soviet tanks roared through Berlin, a few of the world's most hated men cowered in a bunker under the Reich Chancellery. Goring and Himmler fled Berlin, but were caught and later committed suicide.

The Kammhuber Line, an integrated system of air defense stretching from Denmark to Paris, protected Germany from Allied bombers and thwarted Allied intelligence efforts to crack it.

Investigate the systems by which ancient intelligence services transmitted messages over thousands of miles--the fire beacon, the horse and the pigeon. This episode sets up a great race between these three systems to see which communicates the swiftest. Learn how ancient spies sent secret messages using invisible ink made of human sperm and how they wrote on the inside of a raw egg. Discover how Japan's covert assassins, the ninja, used more than darts and poisons--they were pretty good with explosives as well. Find out how a Roman James Bond used a suit made of cork to support him in full armor during a covert operation across a river.

Many of the modern military innovations we take for granted all stem from ancient China. It was the Chinese who invented gunpowder, and in the tenth century the Chinese created a substance that allegedly powered flame throwers and ancient rockets. From automated crossbows to siege machines able to fire over 3,000 yards, we uncover the secrets of China's most awe-inspiring weaponry. Amongst many fascinating stories, we uncover insights into the legendary rotating crossbow and the Cloud Bridge Siege Engine that was used to transport hundreds of troops to the battlefield. We will recreate some of China's legendary battlefield creations to see how the designs would have fared in combat.

Investigate the systems by which ancient intelligence services transmitted messages over thousands of miles--the fire beacon, the horse and the pigeon. This episode sets up a great race between these three systems to see which communicates the swiftest. Learn how ancient spies sent secret messages using invisible ink made of human sperm and how they wrote on the inside of a raw egg. Discover how Japan's covert assassins, the ninja, used more than darts and poisons--they were pretty good with explosives as well. Find out how a Roman James Bond used a suit made of cork to support him in full armor during a covert operation across a river.

Many of the modern military innovations we take for granted all stem from ancient China. It was the Chinese who invented gunpowder, and in the tenth century the Chinese created a substance that allegedly powered flame throwers and ancient rockets. From automated crossbows to siege machines able to fire over 3,000 yards, we uncover the secrets of China's most awe-inspiring weaponry. Amongst many fascinating stories, we uncover insights into the legendary rotating crossbow and the Cloud Bridge Siege Engine that was used to transport hundreds of troops to the battlefield. We will recreate some of China's legendary battlefield creations to see how the designs would have fared in combat.

As Soviet tanks roared through Berlin, a few of the world's most hated men cowered in a bunker under the Reich Chancellery. Goring and Himmler fled Berlin, but were caught and later committed suicide.

The Kammhuber Line, an integrated system of air defense stretching from Denmark to Paris, protected Germany from Allied bombers and thwarted Allied intelligence efforts to crack it.

Investigate the systems by which ancient intelligence services transmitted messages over thousands of miles--the fire beacon, the horse and the pigeon. This episode sets up a great race between these three systems to see which communicates the swiftest. Learn how ancient spies sent secret messages using invisible ink made of human sperm and how they wrote on the inside of a raw egg. Discover how Japan's covert assassins, the ninja, used more than darts and poisons--they were pretty good with explosives as well. Find out how a Roman James Bond used a suit made of cork to support him in full armor during a covert operation across a river.

Many of the modern military innovations we take for granted all stem from ancient China. It was the Chinese who invented gunpowder, and in the tenth century the Chinese created a substance that allegedly powered flame throwers and ancient rockets. From automated crossbows to siege machines able to fire over 3,000 yards, we uncover the secrets of China's most awe-inspiring weaponry. Amongst many fascinating stories, we uncover insights into the legendary rotating crossbow and the Cloud Bridge Siege Engine that was used to transport hundreds of troops to the battlefield. We will recreate some of China's legendary battlefield creations to see how the designs would have fared in combat.

In the annals of the Civil War, the great battles dominate. Names like Gettysburg, Chancellorsville or Antietam are famous by sheer weight of blood and horror.

In 1943, when the HMS Dasher sank off the coast of Scotland, nearly 500 sailors died.

At the end of WWII, a large amount of gold was missing from Europe's coffers. As Hitler advanced across Europe, gold from defeated countries was shipped to Germany to fund the war machine.

The oldest known weapon is the staff. Watch with surprising results a comparison test between a staff and a shotgun. Learn about the ermei--a deadly Chinese underwater attack weapon. Which is more powerful, a meteor hammer or a punch? Can Chi Warriors really kill a man with a single touch? Investigate the ability of eastern warriors to withstand pain such as smashing concrete on live human heads. Finally, ancient Chinese crossbows are examined, including one small enough to fit up your sleeve.

It is America's most powerful police force--made up of an elite team of Special Agents secretly patrolling the nation--and the world. While its patriotic mission is public knowledge, the FBI's tactics are classified. We'll go undercover to reveal the secret training, special operations and state-of-the-art tools used in today's 21st century crime fighting. How far can the FBI go to prevent crime and protect Americans? What are ghost agents, and how are they used for undercover surveillance? Who is the most notorious double agent? How has the internet changed the way the FBI works? While its global reach and sophisticated technology helps keep America safe, the FBI's greatest strength is its ability to keep its crime fighting tactics secret...until now.