Sky History 2 Tuesday

Investigating whether spiritual leaders known as shamans, who have healed and protected people throughout history really have contact with extraterrestrial realms

Investigations into the possibility that insects have descended from, and could have links to, extraterrestrials which landed on Earth thousands of years ago

Archaeologists conduct a dig at Auckland Castle in Co Durham, which 700 years ago was home to a group of power-crazed bishops who behaved more like warriors than religious leaders

A look at the most iconic aliens in popular culture - the Grays - and if they exist, what their plan could be for mankind and the future of Earth

People from Thailand talk about how they survived the horror of the 2004 Asian tsunami, including an elephant trainer who was carried to safety by his charges

Investigating whether spiritual leaders known as shamans, who have healed and protected people throughout history really have contact with extraterrestrial realms

Investigations into the possibility that insects have descended from, and could have links to, extraterrestrials which landed on Earth thousands of years ago

The team seeks artefacts from the country's first superhighway - the Bridgewater Canal - that linked the coal mines of Worsley with Manchester and powered the Industrial Revolution

Former staff of top-secret facility Hangar 18 in Dayton, Ohio, reveal stories of mysterious activity at the base, including alien bodies, flying saucer debris and cryonic chambers

A team of experts analyses footage that seems to defy explanation. A service station camera captures a customer inexplicably bursting into flames

The Queen Elizabeth, which came to an undignified end in Hong Kong Harbour after catching fire while undergoing refurbishment

Professor Alice Roberts explores the story of Stewart Britain by visiting Stirling, and joins a team of archaeologists in uncovering remnants of the docks

Recreating the extraordinary world of structures built by pagans around 5,000 years ago, which include Woodhenge and Silbury Hill, and examining how the feats were completed

Craig and space journalist Sarah Cruddas consider incidents over the US that it has been suggested are being covered up by the Pentagon

Part two of two. Documentary revisiting the alleged crash of an extra terrestrial craft at Roswell, New Mexico in 1947

The great philosophers who have radically changed the way ordinary people have lived, from Lao Tzu, Confucius and Mencius to Plato and Aristotle

A look at UFO sightings, terrifying abductions and other bizarre occurrences, casting new light on historic cases

The Pirate Republic of Nassau grew on attacking trade between Britain and the Americas. Edward Thatch reinvented himself and became the most devilish pirate of all - Blackbeard

Investigating whether spiritual leaders known as shamans, who have healed and protected people throughout history really have contact with extraterrestrial realms

Investigations into the possibility that insects have descended from, and could have links to, extraterrestrials which landed on Earth thousands of years ago

Part two of two. A key turning point of the Second World War, when in June 1944, a fleet arrived on Normandy's beaches, set on liberating Europe from Hitler's Nazis

How a 60-ft wide object smashed through the upper atmosphere at 40,000mph. Plus, the creature filmed lurking at a location where dead farm animals were found

The Queen Elizabeth, which came to an undignified end in Hong Kong Harbour after catching fire while undergoing refurbishment

Professor Alice Roberts explores the story of Stewart Britain by visiting Stirling, and joins a team of archaeologists in uncovering remnants of the docks

Theorists ask whether a currently unidentified species represented in human DNA could be a result of breeding between man and alien in the distant past