Sky History 2 HD Tomorrow

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

An investigation into whether Earth's deepest caves could contain secret conduits to other worlds, or harbour evidence that aliens once visited the planet

One of the world's most infamous deep-sea mysteries remains unresolved. As evidence continues to mount, the mystery of the Loch Ness Monster endures

Second World War battles are reconstructed using cutting-edge CGI animation, beginning by showing how the aircraft carrier USS Enterprise battled enemy submarines in the Pacific

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

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

An investigation into whether Earth's deepest caves could contain secret conduits to other worlds, or harbour evidence that aliens once visited the planet

The River Hunters head to the River Lochy in search for evidence of the clashing Scottish clans embroiled in the 17th-century civil war

Andy McGrath returns to Cornwall, where he meets a real-life mermaid, stalks a local churchyard for owl men and faeries, and stops off at a haunted smugglers' inn

The story of Zeus, the king of the Greek gods, and how he led the Olympians to defeat the Titans and gain control of the universe

Second World War battles are reconstructed using cutting-edge CGI animation, beginning by showing how the aircraft carrier USS Enterprise battled enemy submarines in the Pacific

The legendary Ohio Grassman is apparently captured in footage of a tall, dark-coloured, hairy creature walking through woods

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

The team compares the strange encounters of two men, one from Ohio and the other from Virginia, to see if there is evidence that they have had contact with extraterrestrials

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

Examining whether a manuscript discovered in the Vatican library in 1994 could be the work of Nostradamus's son, and investigating the likelihood of its chilling prophecy

One of the world's most infamous deep-sea mysteries remains unresolved. As evidence continues to mount, the mystery of the Loch Ness Monster endures

Alice Roberts and Brett Lockyer examine the cause of death of George IV, an overweight monarch who enjoyed drinking, partying and spending money

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

An investigation into whether Earth's deepest caves could contain secret conduits to other worlds, or harbour evidence that aliens once visited the planet

The River Hunters head to the River Lochy in search for evidence of the clashing Scottish clans embroiled in the 17th-century civil war

Andy McGrath makes a startling discovery at the site of the Rendlesham UFO Incident and has an amusing encounter whilst investigating Suffolk's demon dog Black Shuck

The team compares the strange encounters of two men, one from Ohio and the other from Virginia, to see if there is evidence that they have had contact with extraterrestrials

The legendary Ohio Grassman is apparently captured in footage of a tall, dark-coloured, hairy creature walking through woods