Sky History 2 HD Tuesday

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

Military historian Stephen Bull tests the three most significant weapons of the sea and explores whether the subsonic torpedo could rule the waves in the future

A look at some of the most incredible escapes of the conflict, featuring a German breakout, a US bomber crew's Soviet secret and the Trojan Horse of Stalag Luft III

The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain as the remorseless development of weapons and bombers

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

The story of Adolf Hitler's so-called 'miracle' weapons - the V1 cruise missile and the V2 ballistic missile

The most important battles of the European theatre, starting with the Blitzkrieg attack on Poland in 1939

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

The Battle of Kursk, an engagement between German and Soviet forces on the Eastern Front near Kursk, roughly 280 miles south west of Moscow, during July and August 1943

The Battle of the Bulge, a major German offensive campaign on the Western Front during the Second World War, which took place in December 1944 and January 1945

Efforts by the US military during the Vietnam War to convince the enemy it was under attack by evil spirits. Plus, the theft of one of the most powerful military planes in the world

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

A look at some of the most incredible escapes of the conflict, featuring a German breakout, a US bomber crew's Soviet secret and the Trojan Horse of Stalag Luft III

Veteran actor William Shatner examines the possibility of contact with otherworldly intelligent life, and how man should react to and handle such a situation

In the ancient Burnt City of Shahre Sukhteh, Iran, archaeologists uncover a remarkable discovery - it's the oldest-known prosthetic eye, made of gold

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

The team examines a declassified US Department of Defence report which analyses an alleged encounter between a fighter pilot and a UFO in May 1980

Rick Edwards and Beau Ouimette investigate search for clues as to where Bonnie Prince Charlie crossed the River Nairn as he fled the Battle of Culloden in 1746

Archaeologists conduct a dig at Auckland Castle in Co Durham, which 700 years ago was home to a group of power-crazed bishops who behaved more like warriors than religious leaders

Mysterious industrial waste and abandoned homes are discovered in a remote part of Greenland. In Norway, strange ditches and huge mounds are found within the Arctic Circle

Scott and Sheldon dig into Canada's longest-running bar and pull out nine tables, reportedly from the tavern owned by Henri 'Pocket Rocket' Richard, the famed hockey player

The advancement of artificial intelligence and whether it could lead to human extinction or if humans could merge with AI to become a cyborg