Sky History 2 HD Saturday

Experts investigate why so many UFOs have been spotted near remote islands, and consider whether the remote outposts could be the earthly homes of aliens

Investigations into whether the religious relic the Ark of the Covenant could hold connections to an extraterrestrial past

The brother of Christopher Foster speaks about his shock when he realised that his sibling had murdered his wife and daughter in Shropshire in 2008

Experts revisit the events of May 2013 when soldier Lee Rigby was murdered by two Islamic extremists close to his barracks in Woolwich, south-east London

A look at some of the most incredible escapes of the conflict, featuring a German breakout, a US bomber crew's Soviet secret and the Trojan Horse of Stalag Luft III

Alice Roberts visits archaeological digs in the east of the country, where finds include Britain's biggest Roman letter hoard, sunken treasure and Caesar's Fort

Alice Roberts visits archaeological digs in the east of Britain, where finds include new revelations from a 3,000-year-old preserved village in Cambridgeshire

Al faces up to the richest nation on Earth to discover how the former British colony of America somehow slipped through its fingers, joined by guest Reginald D Hunter

Experts investigate why so many UFOs have been spotted near remote islands, and consider whether the remote outposts could be the earthly homes of aliens

Investigations into whether the religious relic the Ark of the Covenant could hold connections to an extraterrestrial past

How the Barbarian tribes brought about the Empire's downfall, and the death of Emperor Orestes at the hands of mercenary soldiers

Drama-documentary telling the story of the Roman Empire, beginning with Roman emperor Titus's 100 days of games to commemorate the opening of the Colosseum

Drama-documentary telling the story of the Roman Empire. Emperor Trajan throws his great games of AD 107, and the crowd is treated to a rare spectacle - female gladiators

The father of Clare Wood discusses how her murder in Salford in 2009 gave birth to a new law allowing people to find out if their partners have an abusive past

All Roman rulers put great value on spectacles and games, but only one, the son of Marcus Aurelius, steps out of the Imperial Box and onto the sands of the arena

Startling discoveries that shocked and terrified the world, from a mythical monster that turned out to be real, to a deadly prehistoric animal

Veteran actor William Shatner explores the vast array of moons in the solar system, each presenting its own unique set of mysteries and wonders

Experts investigate why so many UFOs have been spotted near remote islands, and consider whether the remote outposts could be the earthly homes of aliens

Investigations into whether the religious relic the Ark of the Covenant could hold connections to an extraterrestrial past

The father of Clare Wood discusses how her murder in Salford in 2009 gave birth to a new law allowing people to find out if their partners have an abusive past

How Himmler's belief in the theory that the Himalayas were home to the Nazis' Aryan ancestors led to an SS mission to the mountains

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 presenter unpicks the Great British psyche and understand whether the Brits are helped or hindered by their experiences in war, beginning with the Napoleonic wars

Drones reveal what's left of Henry Ford's American suburb in the Brazilian jungle. Plus, an aerial glimpse of New York's forgotten ghost town

Investigating whether hilltop spirits, which some through time have believed to inhabit mountains, could have been extraterrestrials