Sky History 2 HD Thursday

The suggestion that that advanced - and perhaps even extraterrestrial - civilisations existed on Earth thousands of years before the present one

Experts question whether the facts of Earth's alien past could be buried in areas that - thanks to warfare or instability - are presently off-limits to exploration

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

Malaysia Airlines Flight 370, which disappeared in 2014 while flying from Kuala Lumpur International Airport to its planned destination, Beijing Capital International Airport

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

Throughout history, there have been stories of strange beings unlike anything known to exist on Earth This programme examines whether they could be more than just mythology

Ancient astronaut theorists suggest that extraterrestrials designed the human body to be a vessel for otherworldly entities

The story of the changing face of tank warfare over the past 100 years from the first tanks produced in late 1914 to break the deadlock of Trench warfare on the Western Front

The fascinating story behind the Mosquito, the stunning wooden aircraft that undertook some of the most daring and iconic raids of the Second World War

The story of a remote Brazilian island that locals claim was visited nightly for two months in 1977 by flying objects, leaving people with bizarre puncture marks and blood loss

In 2012, the search of a Munich flat owned by elderly recluse Cornelius Gurlitt uncovered a stash of lost art linked to his father, the man known as 'Hitler's Art Dealer'

How a well-preserved Viking ship discovered in 1904 continues to present archaeologists with new mysteries to unravel

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

Helen Skelton and Alex Langlands visit Sherwood Forest to learn more about the legend of Robin Hood - who may or may not have been real - and King John, who definitely was

Alice Roberts explores London's Restoration history, including the founding of the Royal Society and the violent dark side behind Charles II's carefully crafted public image

The Battle of Thermopylae, fought in 480 BC between the Achaemenid Persian Empire under Xerxes I and an alliance of Greek city-states led by Sparta under Leonidas I

The team examines evidence that the Minotaur's terrifying labyrinth could have been inspired by a real place that still exists today

Examining historical evidence of potential alien landings, including the Dogon people, who claim to possess knowledge of a galaxy given to them by a star god

Ancient astronaut theorists suggest that extraterrestrials designed the human body to be a vessel for otherworldly entities

Helen Skelton and Alex Langlands visit Sherwood Forest to learn more about the legend of Robin Hood - who may or may not have been real - and King John, who definitely was

Garth Barnard investigates the Baker's Creek aviation disaster in Australia in 1943, when 40 American servicemen were killed when their B-17 bomber aircraft crashed

Garth Barnard investigates the likely cause of an accident in Nebraska in 1944, when a transport plane crashed during a violent storm

Exploring the facts and myths behind Soviet-era UFO research programmes, which are claimed to have taken place at Russian cosmodrome Kapustin Yar