Sky History 2 Thursday

Experts analyse whether natural causes were responsible for the volcanoes, earthquakes and floods of ancient times - and the possibility that it was down to aliens

Experts investigate the work of Nasa and secret government files relating to extraterrestrial activity, looking for proof of alien contact in the recent or distant past

The crucial role ships have played in international conflict over the past 500 years, beginning with the battleship's declining influence during the 20th century

The defeat at Stalingrad in 1943, which was the turning point of the Second World War and convinced the Nazi leadership to intensify their terror and propaganda campaigns

A mysterious Saharan crater, seen from space, that hides a brutal past. Plus, strange craters in the English countryside, human sacrifice and the hunt for Bad King John's treasure

Experts analyse whether natural causes were responsible for the volcanoes, earthquakes and floods of ancient times - and the possibility that it was down to aliens

Experts investigate the work of Nasa and secret government files relating to extraterrestrial activity, looking for proof of alien contact in the recent or distant past

Alice Roberts explores Cardiff's Edwardian past, discovering how the coal industry transformed the Rhondda Valley and brought immigrants from across the world to Wales

Dan Jones explores the history of York Castle, built on the orders of William the Conqueror and once the regional seat of British government

The defeat at Stalingrad in 1943, which was the turning point of the Second World War and convinced the Nazi leadership to intensify their terror and propaganda campaigns

The role of ships during the Cold War, featuring a look at two submarines - former enemies - now moored in a Kent river

A quest for the truth behind internet videos of acrobats flipping over speeding cars and an amorphous and horrifying crawling creature believed by some to be from another planet

A prehistoric-looking creature washed ashore in Georgia and a strange object spotted in the sky apparently on fire. Plus, a toddler's death-defying experience

Startling mysteries captured by satellites orbiting the Earth, here featuring the man-eating mountain - a black scar in a remote Australian forest revered by Aboriginal tribes

Craig joins forces with journalist Sarah Cruddas to investigate some perplexing UFO encounters. Here the duo recall the infamous Rendlesham Forest incident of 1980

Science shines a light on the dark side of Ancient Egypt, from a 5,000-year-old homicide to drug-fuelled debauchery - and one very shocking revelation

The background and engineering of booby traps, diabolical devices just waiting to kill the unwary - and often the innocent

The real-life influences that were the inspiration for JRR Tolien's popular literary phenomenon The Lord of the Rings, a fantasy world of hobbits, orcs and wizards

Bettany Hughes focuses on the day in 32BC when Octavian stole the secret will of his most dangerous political rival, Mark Antony, paving his way to power

Experts analyse whether natural causes were responsible for the volcanoes, earthquakes and floods of ancient times - and the possibility that it was down to aliens

Experts investigate the work of Nasa and secret government files relating to extraterrestrial activity, looking for proof of alien contact in the recent or distant past

Alice Roberts explores the Plantagenet era through the history of Canterbury, joining a modern-day pilgrimage and uncovering the lasting impact of the Black Death

Tony Robinson embarks on expeditions through some of Britain's most historic landscapes, starting with a 40-mile walk along the Derwent Valley in the Peak District

A high-rise window cleaner somehow survives a 50-storey fall, basketball-sized ice chunks fall from the sky and dismembered human feet wash up on Vancouver's beaches

Craig Charles and co-host Sarah Cruddas investigate a UFO spotted at Stephenville, Texas, in January 2008, apparently travelling at supersonic speed