Sky History 2 HD Saturday

Investigations into whether ancient tales of beings with super-human powers could be inspired by extra- terrestrials who came to Earth in the past

Investigations into inventor Nikola Tesla's claims of communication with extraterrestrials on other planets and whether the scientist could have been a human 'receiver'

Theorists investigate how ancient aliens may have helped to guide and define mankind in the remote past

The Industrial Revolution changed it all when it came to cannons, as they evolved from wholly inaccurate and immobile to deadly killing machines

A team of experts tests the deadliest weapons upgrades across the history of warfare, including the Scorpio, the long sword and Henry's rifle

The Battle of Teutoburg Forest. Rome's defeat not only stopped the growth of its empire, but also created the Latin-Germanic divide that persists in Western Europe to this day

The significance of the mysterious symbol of the keyhole found in mystic texts, sacred architecture and ancient artwork all over the planet

Studies show 70 per cent of UFO sightings occur in 'hotspots'. This programme examines what such places might possess to attract such 'visitors'

A mission to take out four German howitzers about to assault Utah Beach during the Normandy landings, carried out by US paratroopers from Easy Company, the 101st Airborne Division

Alice Roberts and the team examine a Roman fort on Hadrian's Wall, evidence of early writing by the Picts in Scotland, and a 3,000-year-old Bronze Age coffin

Helen Skelton and Alex Langlands join a dig at Elsyng Palace, one of nearly 60 royal residences owned by Henry Vlll and one of his favourite homes during his last decade

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Documentary exploring electric blue mountain and the gateway to Hell, the railroad of death and the town-swallowing Texan abyss

How Britain's influence began to shrink, as the Soviet Union and the United States grew into the most significant actors in the Second World War and beyond

In New Orleans, a high-rise hotel under construction unexpectedly came crashing to the ground. An angry public sought an explanation as to how it could have happened

Rick and Marty Lagina head to Texas with Matty Blake to help treasure hunter Hoppy Eubanks search for the legendary lost San Saba Mine and over a billion dollars in silver

A look at the fate of Josslyn Hay, the controversial 22nd Earl of Erroll and staunch supporter of Hitler and fascism.

A historical romp back in time, packed full of fun and informative interviews with the leading experts on courtship and sex in the Georgian period

During the Cold War, Project Blue Book came into being, aiming to gather and analyse UFO observations. To this day, many cases raise questions

Theorists delve into the stories of people who claim to have mingled with extraterrestrial beings while they were on the brink of death

Experts investigate the mysterious origins of mummification and any possible influences exerted by extraterrestrials

Stories of hospital ships and those who served on them, including the tragic story of the sinking of the Titanic's sister vessel, The Britannic

The smallest ships of war, such as the tiny canoes of the Cockleshell Heroes who led an audacious attack on German ships, and the boats that rescused soldiers from Dunkirk

Experts investigate ancient man's apparent obsession with building pyramids, and consider whether extraterrestrials may have helped with their construction