Sky History 2 HD Today

Experts investigate the work of Nasa and secret government files relating to extraterrestrial activity, looking for proof of alien contact in the recent or distant past

Experts explore the similarities between huge pyramids across the world, and hypothesise on whether extraterrestrials could have influenced their construction and design

Experts examine the story of Greek hero Hercules and explore archaeological discoveries that suggest a real person may have inspired the legend

The events of 1944, when the USS Enterprise led the Carrier Task Force in a charge through the Pacific, hammering the enemy bases at Kwajalein and Truk Lagoon

Experts assess the possibility that alien invaders could opt to destroy life on Earth rather than attempt to enlighten mankind

The top 10 accounts of encounters between the Earth's military forces and extraterrestrials

Giorgio Tsoukalos studies India's Sanskrit texts, which are filled with descriptions of brain surgery, flying crafts, nuclear physics, and other advanced sciences

Giorgio Tsoukalos joins forces with theorists to consider whether unexplained advances in human evolution can be attributed to alien architects

Tony Robinson explores the history of the ancient kingdom on a five-day walk from Melrose in the Scottish Borders to Holy Island off the coast of Northumberland

Exploring the cutting-edge weapons and defences that armed ancient warriors, investigating who wore the first bulletproof vest and when the first machine gun was fired

After a long wait, the fellowship members get permission to return to their excavation in the swamp. Almost immediately, they make a fascinating discovery

Zookeepers who handle dangerous animals, such as African elephants. Plus, the man whose job is to extract snake venom for medical research

An eye-opening journey as experts investigate the startling mysteries captured by satellites orbiting the Earth: from hidden worlds to unexplainable natural phenomena

The origins of the curses surrounding Sutton Hoo, Lyuba and others, from an Anglo-Saxon Burial ground to the caves of the Judean Desert and Siberia in the Ice Age

Experts question whether Nazi leader Adolf Hitler received extraterrestrial help in his quest for world domination

Experts try to uncover the truth about alien remains by investigating reports of extraterrestrial bodies recovered from crashed UFOs

During his time in charge, Himmler made the study of runes - letters of ancient Germanic writing - obligatory for SS officers in the belief they held powers

Crews work around the clock to build the world's largest underwater concrete bed to salvage Italian cruise ship the Costa Concordia

Important figures from the Roman Empire, beginning with General Marius, who defeated a barbarian invasion but then offered his own people a grim ultimatum

Nassau comes under the control of Rogers and the era of the pirate kingdom reaches a bloody end. Narrated by Derek Jacobi

Giorgio Tsoukalos studies India's Sanskrit texts, which are filled with descriptions of brain surgery, flying crafts, nuclear physics, and other advanced sciences

Giorgio Tsoukalos joins forces with theorists to consider whether unexplained advances in human evolution can be attributed to alien architects

Experts question whether Nazi leader Adolf Hitler received extraterrestrial help in his quest for world domination

Experts try to uncover the truth about alien remains by investigating reports of extraterrestrial bodies recovered from crashed UFOs

Tony Robinson embarks on a walk across Wiltshire, from Avebury to Stonehenge, telling the story of the development that occurred in the latter days of the Neolithic era

During his time in charge, Himmler made the study of runes - letters of ancient Germanic writing - obligatory for SS officers in the belief they held powers

Examining the great engineering feats of the ancient world, including the fourth-century genius behind the world's first robot

Ancient astronaut theorists hunt for evidence linking Bigfoot to alien species from the distant past, and ask whether the giant ape-like creature could be an extraterrestrial