Sky History 2 HD Saturday

Startling evidence suggesting that the Ancient Maya conspired with aliens, as experts hypothesise that they acquired extraterrestrial knowledge of astrology

Experts scrutinise the Maya calendar, which predicted the world would end in 2012, and try to determine whether it could have anticipated the arrival of an extraterrestrial god

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

The crucial role ships have played in international conflict over the past 500 years, focusing on the first metal warships

The story of the Great Locomotive Chase - an attempt by northern spies to steal steam locomotive The General during the American Civil War

Remarkable feats of military engineering, focussing on the robot that defused bombs both on foreign battlefields and British streets, and an astonishing Gulf War minelayer

Startling evidence suggesting that the Ancient Maya conspired with aliens, as experts hypothesise that they acquired extraterrestrial knowledge of astrology

Experts scrutinise the Maya calendar, which predicted the world would end in 2012, and try to determine whether it could have anticipated the arrival of an extraterrestrial god

Aerial archaeologists battle to solve the mystery of the Mayan Empire collapse. Plus, the horrors of the communist lake of death

Part two of two. Adolf Hitler's penchant for barbarism and destruction, starting with his surprise Russian invasion and the anarchy that followed

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'

Discovering the fate of the holiday industry in a post-apocalyptic world, with luxury resorts and cruise ships falling apart

The skies of a post-apocalyptic world, as Air Force One suffers an explosive malfunction, and a swarm of locusts invades the American Midwest

Billy focuses his attentions on the notorious Texas 7, a group of prisoners who escaped from the John B Connally Unit near Kenedy, Texas, in December 2000

Two-part documentary exploring the Anglo-Norman invasion of Ireland, beginning in the turmoil of 12th-century Ireland, where provincial kings compete for supremacy

Part two of two. In 1171, Henry II arrived to take control of Ireland, and granted land there to settlers from Britain. Cutting-edge science reveals their fascinating lives

The real story of Russia's first tsar, who has become synonymous with despotism and tyranny, despite being remembered in his own land as a statesman who held the country together

Startling evidence suggesting that the Ancient Maya conspired with aliens, as experts hypothesise that they acquired extraterrestrial knowledge of astrology

Experts scrutinise the Maya calendar, which predicted the world would end in 2012, and try to determine whether it could have anticipated the arrival of an extraterrestrial god

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

Helen Skelton and Alex Langlands investigate the Pendle Witch trials of 1612, visiting Lancaster Castle, where the suspects were held

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

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

Sightings of unexplained 'aerial phenomena' and reports of so-called 'first contact' moments, which are supported by credible eyewitness accounts or clear video footage