Sky History 2 HD Saturday

Reported sightings of angels, from ancient texts and biblical stories to more modern accounts, questioning whether they are the product of mankind's imagination - or really exist

Experts question whether extraterrestrials could have helped humans build ancient structures, and if standing stones in Carnac, France, were a GPS system for ancient spacecraft

Experts visit a cemetery in Texas said to contain the body of an alien who crash-landed on Earth in 1897

German Second World War fighter, the Messerschmitt Bf 109. Along with the Focke-Wulf Fw 190, it serves as the backbone of the Luftwaffe's fighter force

While the single shot rifle remained a mainstay until the First World War, machine guns had been in development since the final days of the American Civil War

The actor examines the Piper Alpha oil platform explosion of July 1988, one of the most devastating man-made catastrophes to date, in which 167 workers died

The Munich air crash of 1958, when a flight carrying the Manchester United football team crashed on its third attempt to take off from a slush-covered runway

Interviews and re-creations bring some of history's most daring jailbreaks to life, detailing every step of the way

How RAF squadron leader Roger Bushell masterminded one of the most unbelievable mass escapes from a German prisoner-of-war camp

Beau Ouimette and Rick Edwards return to the River Trent to follow in the bloody footsteps of the Vikings as they invaded 9th-century Britain

Beau Ouimette and Rick Edwards visit River Avon beneath Warwick Castle, discovering an array of artefacts ranging from the time of the Wars of the Roses to the Victorian age

A desert ghost town of untold riches and unspeakable horrors, a lost empire of South America, and the mystery noises that haunt a city

An exploration of Ragnarok and the chambers of horror. Plus, a penguin apocalypse, an attack of mega-mice and a family holiday - North Korean style

The best moments, milestones and highlights from some of the most epic treasure quests around the globe

The eccentric and strange innovations that have graced the battlefield, from a million bats armed with tiny bombs to inflatable tanks, robot assassins - and even war dolphins

The team explores outlandish stories from a headless chicken that lives over one year to an out-of-this-world 'celestial body

Calls to reinvestigate the suspicious death of King Ludwig of Bavaria in 1886, who died three days after he was declared insane and deposed from the throne

From Flight MH370 to a series of vanishings in the Bermuda Triangle, the veteran actor takes a look at some of the most compelling and perplexing cases of disappearance

A look at the stories of UFO witnesses Betty Cash and Vickie Landrum, Scottish hacker Gary McKinnon, ex-musician Tom Delonge and John Podesta

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

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

The actor explores six tragic disasters, focusing on the Zeebrugge ferry disaster of March 1987 in which the Herald of Free Enterprise capsized, killing 193 passengers and crew

The actor explores some of Britain's most tragic disasters, starting with the 1999 rail accident at Ladbroke Grove in London that left 31 dead

A look at whether aliens could conceivably have been involved in the development of lethal weapons, from gunpowder to missiles