Sky History2 SkyTV

The Crop Circle Code: More than 10,000 crop circle formations have been documented and many display properties that defy explanation. Could they be of otherworldly origin? (S15, ep 2)

The Rapture: When millions over the world vanish, a biblical prophecy known as the Rapture will be fulfilled. Are there signs of the prediction actually happening? (S1, ep 8)

The Apocalypse Code: Sir Isaac Newton is considered one of history's great geniuses, but did you know he also predicted the date of the apocalypse? (S1, ep 1)

Genocide 1942-1944: Along with Treblinka and Majdanek, Sobibor was one of the camps used in Operation Reinhard, in which the Nazis murdered almost two million people. (S1, ep 8)

The Sphere, the Prophecy Machine and the Canary: Examine claims Nostradamus predicted Hitler. Plus, learn about the canary resuscitator and a tiny object with the power to kill. (S2, ep 5)

The Holy Sepulchre of Jerusalem: Uncover the secrets of the Holy Sepulchre, the sacred Christian site built in the same spot as the death and resurrection of Jesus. (S3, ep 1)

Mystery of the Lost Civilisation: The discovery of the ancient Karahan Tepe megalithic site, displaying perplexing engineering skills, turns the archaeology world on its head. (S15, ep 3)

The Power of the Obelisks: Scholars identify Egypt's obelisks as monuments to the pharaohs, while ancient astronaut theorists suggest they may power communication with the gods. (S15, ep 4)

The Spitfire - A British Fighter Legend: A look at the later, clipped wing version flown by Czech refugee pilots in the UK during World War II. Plus, a tour of a restored example. (2 of 6)

Boeing B-29: Superfortress: The story of the prolonged development and the initially troubled operational history of the Boeing B29 Superfortress. (4 of 6)

North: Alice Roberts and Matt Williams visit the Neolithic Orkney World Heritage Site, where they explore finds from archaeological digs across the north of Britain. (S3, ep 3)

East: Alice Roberts and Matt Williams present more outstanding archaeology. The team unearths a mass grave and search the Thames for clues to a 17th century tragedy. (S4, ep 2)

North: In the north of Britain, a team discovers clues to Scotland's first kingdoms and metal detectorists unearth a Viking treasure hoard. (S4, ep 3)

Suffolk: Andy makes a startling discovery at the site of the Rendlesham UFO incident, before sending psychic Simi to investigate one of Britain's most haunted inns. (S1, ep 8)

Mystery of the Lost Civilisation: The discovery of the ancient Karahan Tepe megalithic site, displaying perplexing engineering skills, turns the archaeology world on its head. (S15, ep 3)

The Power of the Obelisks: Scholars identify Egypt's obelisks as monuments to the pharaohs, while ancient astronaut theorists suggest they may power communication with the gods. (S15, ep 4)

The Capital Threat: What would happen if all humans vanished? Would LA's palm trees spark a huge inferno? What would become of New York? And which animals would take control from man?

Heavy Metal: If people disappeared from Earth, what would happen to metallic objects? Would bridges and buildings collapse? And what would become of the US's secret stash of gold?

The Invaders: In a world void of people, pythons begin to challenge alligators for control of the Everglades. Elsewhere, Shanghai sinks under the weight of its empty skyscrapers.

Icons: Across every profession and industry, icons exist in various forms and have done throughout history, from the Albert Einstein to the Jumbo Jet and the Sydney Opera House. (S1, ep 5)

The Maltese Alien Skulls: In Malta lies an underground complex dating back over 5,000 years, containing the remains of 7,000 humans. But who do the bizarre skulls belong to? (S7, ep 5)

Fall of France: The world had largely ignored the growing threat of Nazism during the late 1930s and now the appeasement of Hitler was about to have terrible consequences. (S1, ep 1)

Battle of Britain: This is the story of that battle, during which a handful of young pilots faced and eventually defeated the might of Goering's bombers. (S1, ep 2)

Mystery of the Lost Civilisation: The discovery of the ancient Karahan Tepe megalithic site, displaying perplexing engineering skills, turns the archaeology world on its head. (S15, ep 3)