Sky History 2 HD Monday

The cases of people who have reported being abducted by aliens. They even include one-time Republic of Kalmykia president, Kirsan Ilyumzhinov

Hindu god Shiva, the great destroyer. This programme contemplates whether the deity could have been the leader of an extraterrestrial race

An examination of a recent caught-on-camera sighting of Chupacabra outside an Amarillo Zoo. Plus, whether a photograph taken over Costa Rica the greatest UFO picture ever taken

A look at perplexing and unusual objects lying hidden away in museums, laboratories and storage rooms

Extraordinary footage, colourised for the first time, shows life and death on the battlefield of El Alamein and behind the lines in the north African desert

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

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

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

Alice Roberts heads to the south of England to see the earliest money made in Britain and a massive haul of Roman treasure that brings to life the fall of the empire in Britain

Expeditions search for the Goliath grouper off the coast of Florida and a monstrous fish with frightening teeth beneath the icy surface of lakes in Minnesota

The Tasmanian tiger was thought to have become extinct 80 years ago, but rumours swirl that the creature could be making a comeback

A look at perplexing and unusual objects lying hidden away in museums, laboratories and storage rooms

Tony Harris and his team of experts probe reports of a serpent-like creature caught on camera. Plus, possible signs the Nazis colonised the South Pole

The presenter is joined by Bruno Tonioli to look at key battle tactics during the Roman Invasion - such as the complexity of firing a catapult

Residents of a Texas town report strange lights in the night sky, scientists record one of the loudest sounds in the natural world and a fishing trawler vanishes in calm waters

An otherworldly aircraft spotted flying in the skies above New York. Plus, the New Jersey couple who discovered their dog had a paranormal playmate

Testimony from witnesses, survivors and Nazis themselves reveals the truth about the mass executions carried out by the Third Reich's Einsatzgruppen

In the world without humans, pythons compete with alligators for control of the Florida Everglades, and Shanghai is sunk by its empty skyscrapers

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

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

Alice Roberts heads to the south of England to see the earliest money made in Britain and a massive haul of Roman treasure that brings to life the fall of the empire in Britain

Beau Ouimette and Rick Edwards take on the River Wear, seeking artefacts spanning Durham's rich past from the 1200s reign of Edward I, shedding light on the history of the city

Predicting the fate of priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell in a world without humans

The presenter is joined by Bruno Tonioli to look at key battle tactics during the Roman Invasion - such as the complexity of firing a catapult

William Shatner brings thought-provoking questions to leading experts, and they explore everything from human origins to groundbreaking archaeological finds