Sky History 2 Tuesday

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

Experts take a look at the weapons dominating from the skies, focusing on the operating principles of arrows, rockets, and bombs

Events of 1941, when Hitler invaded the USSR. Plus, Operation Barbarossa stalled as winter hits and Soviet resistance - fuelled by propaganda - turned the tide

Decoding a lost civilization reveals the monumental challenge undertaken by some of the academic world's most brilliant minds

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

In September 1939 German forces invaded Poland as four Luftwaffe bomber groups attacked Warsaw. The bomber aircraft would dominate the skies throughout the Second World War

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

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

After the end of the Battle of Britain came the bombing of German cities. In the war in the Pacific, the US and Japan successfully bombed naval and land targets

How the bombing of Tokyo demonstrated the power of the B-29 bomber. The cost of creating this machine exceeded that of the Manhattan Project, which developed the first atomic bomb

The notion that a video leak from the Department of Homeland Security offers more evidence that UFOs really exist. Plus, footage that proves Sasquatch is no myth

Events of 1941, when Hitler invaded the USSR. Plus, Operation Barbarossa stalled as winter hits and Soviet resistance - fuelled by propaganda - turned the tide

Decoding a lost civilization reveals the monumental challenge undertaken by some of the academic world's most brilliant minds

William Shatner goes in search of the universe's most fascinating, strange and inexplicable mysteries, starting with unusual sightings by military pilots

How the cave's eerie acoustics have been associated with supernatural phenomena, earning it a reputation for connecting visitors to the spirit world

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

A look into lingering rumors that advanced military aircraft, such as the SR-71 Blackbird and B-2 Spirit Bomber, were designed from reverse engineered alien technology

Rick Edwards and Beau Ouimette search through the River Ouse in Yorkshire in a bid to find evidence of Viking life

Uncovering archaeological treasures in the south of England, including Britain's oldest shoe, Henry V's lost shipyard and top-secret Second World War defences

In a Danish bog, hundreds of mutilated ancient bones are found, while a mysterious deserted island belonging to Russia is explored

Sheldon spots a solid brass ship wheel on his hunt for collectibles, while Scott meets a local picking legend whose wild collection includes an erotic powder horn

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