Sky History 2 HD Thursday

A look at whether or not Area 51's notoriety acts as a cover-up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations

Marty Lagina joins Giorgio Tsoukalos to explore the statues, pyramids and structures left behind by one of the most mysterious cultures in the ancient world in Sardinia, Italy

The events of June 1968 when, less than five years after US President John F Kennedy had been killed by gunshot, his brother Robert met the same fate

As the next era of space exploration begins it must be analysed what humans will find when reaching other planets, as well as the dangers faced when trying to conquer new frontiers

How the vast and fragile infrastructure hidden underground - from subways and pipelines to one of the big coal seams in the United States - would unravel if humanity vanished

A look at whether or not Area 51's notoriety acts as a cover-up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations

Marty Lagina joins Giorgio Tsoukalos to explore the statues, pyramids and structures left behind by one of the most mysterious cultures in the ancient world in Sardinia, Italy

Part one of two. Sixty years on, Tony's close encounter has become an obsession. Pilot David presents photographic evidence of the UFO he almost crashed into

Part two of two. Adam, Gwen and Julie recall personal encounters with UFOs, before it is revealed that each individual has time missing from their plotted recollections

Actor Laurence Fishburne explores the fate of TWA Flight 800, a Boeing 747-100 that exploded and crashed into the Atlantic Ocean near East Moriches, New York, in July 1996

How, during the Second World War, Japan plundered a fortune worth hundreds of billions of dollars from occupied countries. To this day its whereabouts remain unknown

The 1990 heist from the Gardner Museum in Boston, in which two bogus police officers broke into the museum and took 13 works worth $500million

Troy answers an urgent call from his long-time friend and fellow swamper Daniel Edgar, who has discovered a mysterious threat to the alligator population

Giorgio Tsoukalos decodes some of the evidence for Ancient Astronaut theory found in mysterious carvings, symbols and structures that are similar on opposite ends of the Earth

Jason Fox and Bruce Crompton examine the rifles that changed modern warfare, including the German STG 44, history's first assault rifle, which revolutionised infantry tactics

Jason Fox and Bruce Crompton handle a Viking sword, an artefact forged for raiders who terrorised the coasts of Europe

Footage of real-life events, including a woman nearly sucked up by a tornado, elevators free-falling and deadly mudslide disasters

Analysis of four distinct events, including the historic 1937 Hindenburg airship disaster and a motorist's fight for survival from a falling forest

A look at whether or not Area 51's notoriety acts as a cover-up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations

Marty Lagina joins Giorgio Tsoukalos to explore the statues, pyramids and structures left behind by one of the most mysterious cultures in the ancient world in Sardinia, Italy

Giorgio Tsoukalos decodes some of the evidence for Ancient Astronaut theory found in mysterious carvings, symbols and structures that are similar on opposite ends of the Earth

Actor Laurence Fishburne explores the fate of TWA Flight 800, a Boeing 747-100 that exploded and crashed into the Atlantic Ocean near East Moriches, New York, in July 1996

The Black Dahlia, one of the most infamous crimes in American history, involving the murder of 22-year-old Elizabeth Short

How not everyone believes there's sufficient proof that Hitler died in the final days of the Second World War. Questions have swirled for decades about his possible escape

How, during the Second World War, Japan plundered a fortune worth hundreds of billions of dollars from occupied countries. To this day its whereabouts remain unknown

Giorgio Tsoukalos explores a Polynesian land of bizarre figures and forbidden places in search of what could be the ultimate evidence of mankind's extraterrestrial origins