Channel Four (Great Britain)

The Tower of London has been the place of murdered Kings, beheaded Queens, executed spies, and ruthlessly killed innocents. Learn through expert interviews and dramatic reenactments about the notorious past of this setting for the darkest deeds.

Fifty years after World War II, a team of divers discovered an unidentified German U-boat off the New Jersey coast. What boat was it? And what secret mission had brought it there? This video also traces the history of submarines and undersea warfare from the American Revolution through World War II.

Ross McElwee explores his family's roots as tobacco farmers in North Carolina. While reviewing his ancestors' accomplishments, he expresses guilt at the tobacco-based nature of their business.

Blackbeard was the most feared and infamous pirate of his day. In the early eighteenth century, the former British privateer trolled the shipping lanes of the Atlantic. From the deck of his flagship, Queen Anne's Revenge, he commanded the seas. His flagship ran aground off the coast of North Carolina, and had to abandon her to the sea. 300 years later, a group of marine archaeologists have discovered the remains of the ship and their careful preservation...

Young at Heart Chorus is based in Northampton, Massachusetts. See the final weeks of rehearsal for the group, whose average age is 81 and many of whom must overcome health adversities to participate. Their music is unexpected, going against the stereotype of their age group, performing songs that range from James Brown to Coldplay. The group has toured Europe and sung for royalty. Now they are focusing on preparing new songs, not an easy endeavor,...

A war story and a love story, as well as a biting satire on the emergence of the world we live in today.

Goes inside the largest animals on the planet to explore their anatomy, reveal their intricate inner workings and uncover their evolutionary secrets. In this episode, veterinary scientist Mark Evans and comparative anatomist Joy Reidenberg dissect a lion and tiger. On the outside, the animals look very different; but once their skins are removed, even the experts find it hard to distinguish the two.

Who would have predicted that a hot spot left over from the Big Bang would eventually lead to our galaxy, the solar system, the Earth, - and to us? Origins explores how the universe and our planet began amid chaos and eventually gave birth to the first stirrings of life. Join cutting-dege scientists on a voyage deep into the Earth to find analogs to the earliest life on our planet, and travel a million miles from Earth with a space probe designed...

On June 5, 1989, one day after Chinese troops expelled thousands of demonstrators from Tiananmen Square, a solitary, unarmed protester stood his ground before a column of tanks advancing down the Avenue of Eternal Peace. Captured by Western photographers, this extraordinary confrontation became an icon of the fight for freedom around the world. Filmmaker Antony Thomas investigates the identity, fate, and significance of the tank man.

A look at Tony Blair's rise to power, and the rivalry he faced against his mentor and current Prime Minister to the U.K., Gordon Brown.