Sky History 2 HD Monday

Extended episode exploring suggestions of extraterrestrial influence on Earth. Subjects include actions initiated by the US Department of Defence to study UFO sightings

The Holy Grail - coveted by everyone from Roman Emperors to Adolf Hitler, this sacred object is said to hold incredible powers

Detailing how an elite group of British paratroopers managed to launch a midnight raid in order to capture Hitler's unusual radar equipment

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

Extended episode exploring suggestions of extraterrestrial influence on Earth. Subjects include actions initiated by the US Department of Defence to study UFO sightings

Karl Ude-Martinez and Kevin Hicks explore how weapons and body armour were developed, beginning with a look at the impact of the 1645 Battle of Naseby

Alice Roberts visits archaeological digs in the north of Britain, where finds include Scottish man-made islands that help paint a picture of Stone Age tech

How, during the Renaissance, the king of France shook up the foundations of Europe and claimed the Scottish crown by marrying queen Mary Stuart to his son

Detailing how an elite group of British paratroopers managed to launch a midnight raid in order to capture Hitler's unusual radar equipment

Tony Harris examines some of the most compelling evidence of UFOs and wormholes at the Bermuda Triangle and analyses similar discoveries across the globe

When a satellite image reveals a lost jungle in the heart of Africa, scientists embark on a dangerous voyage in search of undiscovered species

The stories behind unusual and unexplained UFO sightings, starting with an incident played out in 1952 across the skies above Washington National Airport

How, by using explosives, weapons and cunning, Rédoine Faïd broke out of prison and into fame - twice

Ross sees just how prevalent cocaine is in Colombia as he joins an army raid. He also meets the son of Gilberto Rodriguez - a founder of the Cali Cartel

The Holy Grail - coveted by everyone from Roman Emperors to Adolf Hitler, this sacred object is said to hold incredible powers

Part two of two. On the orders of Hitler, more than 5,000 slave labourers were shipped to Alderney to build a series of fortifications designed to protect the island from attack

Extended episode exploring suggestions of extraterrestrial influence on Earth. Subjects include actions initiated by the US Department of Defence to study UFO sightings

Alice Roberts sets off across Hadrian's Wall to reveal the forgotten story of the Roman Army's secret weapon in Britain - their cavalry

Kevin Hicks and Karl Ude-Martinez test a cannon, grenade and Brown Bess musket as they explore what it was like to face a Napoleonic charge

The stories behind unusual and unexplained UFO sightings, starting with an incident played out in 1952 across the skies above Washington National Airport

Tony Harris examines some of the most compelling evidence of UFOs and wormholes at the Bermuda Triangle and analyses similar discoveries across the globe

Investigations into the possibility that extraterrestrials with a superior knowledge of science and engineering landed on Earth thousands of years ago