Sky History 2 HD Sunday

Theorists ask whether a currently unidentified species represented in human DNA could be a result of breeding between man and alien in the distant past

Expert investigations into the possibility that reptilian aliens are more than a pop-culture creation and a favourite of works of science-fiction

Between December 1941 and May 1942, Singapore fell, the Wannsee Conference was held in Berlin and a single event in the Pacific transformed the war into a total global conflict

How, in 1942, the battles of Midway and Stalingrad began and Americans achieved a ground-breaking milestone in the development of atomic weapons

A look from the Russian perspective at the siege of Moscow, where stretched Soviet troops adopted a 'not a step back' policy while facing the advancing German army

Helen Skelton and Alex Langlands venture to Lindisfarne and the Isle of Man to unearth the secrets of Viking burial grounds

Raksha Dave and Alex Langlands join a team from Reading University at a site in Silchester, near Reading, as they examine one of the best-preserved Roman sites in Britain

The River Hunters head to Canterbury, where they're granted special permission to search the River Stour for relics left behind by 12th-century pilgrims in the River Stour

Theorists ask whether a currently unidentified species represented in human DNA could be a result of breeding between man and alien in the distant past

Expert investigations into the possibility that reptilian aliens are more than a pop-culture creation and a favourite of works of science-fiction

Musketoon Operation, a daring, commando raid on a German-held electricity generating station at Glomfjord in Norway, carried out by British and Norwegian commandos in 1942

Operation Raincoat, a 1943 mission conducted in Italy to break through the German defence line and open the way to and liberate Rome

Intelligence officers acquire the information collected by sources, from old-school 'dead drops' to high-tech digital transfers

Beau Ouimette, Rick Edwards and Gary Bankhead travel to Colchester, Essex, to find evidence from the second English Civil War

The underground world undergoes devastating changes, with a power plant wrecked by superheated steam, and the US nuclear command centre Norad coming under attack

Dannemora, the largest maximum-security prison and the third-oldest such institution in New York. It was opened in 1845 as a source of free labour for the local mines

A look at the history of San Quentin, which located in Marin County on the San Francisco Bay, is California's oldest prison dating back to the Gold Rush

Drama-documentary telling the story of the Roman Empire. Emperor Trajan throws his great games of AD 107, and the crowd is treated to a rare spectacle - female gladiators

Theorists ask whether a currently unidentified species represented in human DNA could be a result of breeding between man and alien in the distant past

Expert investigations into the possibility that reptilian aliens are more than a pop-culture creation and a favourite of works of science-fiction

Experts follow the trail of the elusive order of the Knights Templar - believed to have located and seized the Ark of the Covenant centuries ago

Documentary focusing on the Mary Celestia wreck, imperial relics from Iraq, a medieval man's remains and lost artefacts reshaping Native American history

Musketoon Operation, a daring, commando raid on a German-held electricity generating station at Glomfjord in Norway, carried out by British and Norwegian commandos in 1942

Operation Raincoat, a 1943 mission conducted in Italy to break through the German defence line and open the way to and liberate Rome

The eight artists are challenged to make a light fixture using techniques such as colour wrapping, hot sculpting and making bubbles with baking soda

The seven contestants put their skills into making a glassy robot prototype that can preform chores and tasks