Sky History 2 HD Today

Giorgio Tsoukalos questions whether Earth's stone monoliths were built with extra terrestrial help

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together

The smallest ships of war, such as the tiny canoes of the Cockleshell Heroes who led an audacious attack on German ships, and the boats that rescused soldiers from Dunkirk

Documentary series exploring the role of trains in the major conflicts of the past 150 years. This instalment considers the Second World War of 1939 to 1944

A look at the origins of the arms race, from the first use of nuclear weapons that ended the Second World War through the duration of the Cold War

Giorgio Tsoukalos questions whether Earth's stone monoliths were built with extra terrestrial help

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago

Documentary exploring anomalies appearing on satellite images. An image of a wrecked aeroplane triggers a hunt that leads to a Colombian drug lord

Part one of two. How the Channel Island of Alderney became a pre-occupation of Nazi leader Adolf Hitler and was transformed into one of the most heavily fortified places on Earth

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

An indigenous woman's testimony claims to know where Slumach found his gold. After returning from the expedition empty-handed, a vision has Kru rattled

The rumour that the tomb of Turco-Mongol conqueror Timur is cursed such that whoever disturbs it will face a calamity

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

Alice Roberts visits archaeological digs in the east of Britain, where finds include new revelations from a 3,000-year-old preserved village in Cambridgeshire

The conflict between the families' old guard and a new generation of younger, American-born, mobsters willing to defy the authority of the bosses and long-established rules

Investigating new interpretations of ancient texts indicating that Satan may have been an extraterrestrial

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together

The conflict between the families' old guard and a new generation of younger, American-born, mobsters willing to defy the authority of the bosses and long-established rules

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

Investigations into the power of the number three in history, science and astronomy, and its possible links to extraterrestrial life