Sky History 2 HD Wednesday

Specialists in the field of the extraterrestrial study evidence across 75 million years to validate the theory that there has been extraterrestrial intervention on Earth

Experts investigate whether common human rituals may have been inspired by contact with aliens

Stories of the cut-throat world of river warfare, from Harriet Tubman's successful gunboat raid to the high-speed Patrol Boat River in Vietnam

An analysis of the remains of a Portuguese ship that disappeared in 1533 on a voyage to India, apparently found in the Namibian desert

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

Archaeologists and anthropologists make discoveries that receive little notice because they fail to fit into the accepted scientific paradigm

Strange discs discovered in a cave in China that appeared to tell the story of an ancient extraterrestrial crash on Earth

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago

The story of Travis Walton, who claims that in 1975 he was abducted and taken aboard a space ship inhabited by extraterrestrial beings

The vast network of secret tunnels underneath London that kept the British government safe and operational during the Second World War

By the fourth century AD, Rome is in decline and the Colosseum lays empty. To restore Rome, one man, a devout worshipper of the old gods, turns to the arena

An analysis of the remains of a Portuguese ship that disappeared in 1533 on a voyage to India, apparently found in the Namibian desert

Part two of two. As the auto shops of Rust Valley battle it out at the high-impact Hit to Pass drag race, an accusation of cheating causes chaos to erupt

A look at how technological advances over the centuries have led to bigger and faster combat ships and transformed maritime warfare

The Industrial Revolution changed it all when it came to cannons, as they evolved from wholly inaccurate and immobile to deadly killing machines

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

Researchers suggest that the ancient site of Teotihuacan in central Mexico was once home to a highly advanced, perhaps extraterrestrial, civilization

The ancient site of Gobekli Tepe, which hallenges what archaeologists believe about the past

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together

An analysis of ancient monuments, questioning what compelled man to move colossal stones long distances to build remarkably similar structures all around the world

Part two of two. As the auto shops of Rust Valley battle it out at the high-impact Hit to Pass drag race, an accusation of cheating causes chaos to erupt

Jason Chambers and Bill Duff travel to the Philippines to witness the indigenous martial art of Eskrima, a weapon-based fighting style combining sword and stick techniques

By the fourth century AD, Rome is in decline and the Colosseum lays empty. To restore Rome, one man, a devout worshipper of the old gods, turns to the arena

The vast network of secret tunnels underneath London that kept the British government safe and operational during the Second World War

A look at a theory that suggests aliens may have colonised an ice-free Antarctica, before a global event plunged it into the Ice Age