Sky History 2 HD Monday

This edition contemplates how much the US and Russia have been working together in preparation for the ultimate extraterrestrial encounter

Ancient astronaut theorists explore the idea that meteorites could be pieces of extraterrestrial technology

How new weapons with immense force define the wars of the 20th century. International experts test the catastrophic effects of destructive weaponry

A daring dash through Nazi Europe, a deadly mountain escape and the Second World War's largest breakout, by men who chose death over dishonour

The German attack on Warsaw in September 1939. Withing a week, much of the Polish capital was in ruins

This edition contemplates how much the US and Russia have been working together in preparation for the ultimate extraterrestrial encounter

Ancient astronaut theorists explore the idea that meteorites could be pieces of extraterrestrial technology

Alice Roberts travels to Bamburgh, Northumberland, to learn about the generations of Anglo Saxons who lived there, and visits a pioneering project in Kent

Alice Roberts finds out about discoveries that shed light on the Tudor Age, including an excavation at Shakespeare's first theatre in London's Shoreditch

Alice Roberts and Matt Williams visit archaeological digs across the country, beginning with a look at the work being carried out in the east of England

Alice Roberts and Matt Williams visit the Dorset Country Museum, where they explore finds from archaeological digs across the west of Britain

Items from archaeological digs from the north of Britain, including examples from the Heart of Neolithic Orkney World Heritage Site, Cumbria and the Highlands

Wartime mysteries and alleged cover-ups, focusing on a Desert Storm fighter pilot shot down in Iraq and six Second World War pilots whose bomber crashed in Libya

A look at some of the most incredible escapes of the conflict, featuring Colditz Castle, the Great Escape and the bold Warburg Wire Job

How, in a world without humans, sand, salt and sun would gradually dismantle cities, with wastelands quietly taking back the ground borrowed

The sighting of Bigfoot from the window of a moving train in Colorado. Plus, the notion that the spirits of soldiers are haunting the most famous Civil War battleground

The moment when three giant snakes fell out of a family's roof and the crash of an airplane into the Los Padres National Forest in California

This edition contemplates how much the US and Russia have been working together in preparation for the ultimate extraterrestrial encounter

Ancient astronaut theorists explore the idea that meteorites could be pieces of extraterrestrial technology

The January 2008 mass UFO sightings between Fort Worth, Texas and Houston, with focus on the nearby town of Stephenville, Texas

Beau Ouimette, Rick Edwards and Gary Bankhead search the River Nidd and River Swale for weaponry from the battles in 1318 and 1319 between the English and the Scots

The history of HMS Invincible, a ship that was captured from the French in 1747 and helped transform the Royal Navy with the lessons it taught about organisation and ship design

Bizarre ice formations in the Antarctic Ocean are investigated and a discovery off the east coast of Canada may be connected to a tragic event

The skilled 'pickers' strike gold in Quebec, where they find an unusual Inuit carving and heaps of antique farming equipment

In a feature-length episode, Giorgio Tsoukalos investigates claims that Egypt was home to Earth's earliest extraterrestrial visitors