Sky History 2 HD Sunday

Ten discoveries and breakthroughs that challenge traditional beliefs about human history. They include mysterious metal spheres that are not of this world

The top 10 mysterious monoliths, from a 500-ton stone believed to represent an ancient UFO to giant statues said to have been created with advanced technology

The invasion of Poland by the German army in 1939, examining how Hitler succeeded in pushing through his rearmament and war plans relatively unhindered

Hitler's invasion of the Soviet Union on June 22, 1941. His aim was to weaken Britain in Europe and gain 'lebensraum', or living space, in the East

Treblinka, Majdanek and Sobibor, the camps used in Operation Reinhardt, a murder campaign in which the Nazis murdered almost two million people over two months in 1942 and 1943

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 explores archaeological digs at sites dating back to Viking times, examining signs of the earliest Norse settlers in the Outer Hebrides, and gold pieces found in York

Craig and space journalist Sarah Cruddas consider incidents over the US that it has been suggested are being covered up by the Pentagon

Craig joins forces with journalist Sarah Cruddas to investigate some perplexing UFO encounters. Here the duo recall the infamous Rendlesham Forest incident of 1980

The defeat at Stalingrad in 1943, which was the turning point of the Second World War and convinced the Nazi leadership to intensify their terror and propaganda campaigns

The survivors and the winners of the Second World War wanted to blame the Germans. At the time, no one knew whether the Germans had really broken with the Nazis

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

Ten discoveries and breakthroughs that challenge traditional beliefs about human history. They include mysterious metal spheres that are not of this world

The top 10 mysterious monoliths, from a 500-ton stone believed to represent an ancient UFO to giant statues said to have been created with advanced technology

A look at the mysteries of the most legendary battles from ancient times. This episode reveals how a Parisian army repelled the Vikings

The Battle of Cannae, a major battle of the Second Punic War, taking place in August 216 BC near the town of Cannae in Apulia in south-east Italy

The mysterious curiosities that were once hidden from human eyes, only to become exposed by a calamitous incident

Explorations of Seahenge's timber circle, an unusual Ukrainian canoe, ancient remains in a mudslide and a relic from Lake Mead's dry bed

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

The invasion of Poland by the German army in 1939, examining how Hitler succeeded in pushing through his rearmament and war plans relatively unhindered

Hitler's invasion of the Soviet Union on June 22, 1941. His aim was to weaken Britain in Europe and gain 'lebensraum', or living space, in the East

Treblinka, Majdanek and Sobibor, the camps used in Operation Reinhardt, a murder campaign in which the Nazis murdered almost two million people over two months in 1942 and 1943

Predicting what could happen to religious symbols and artefacts after the disappearance of man, including the Christ the Redeemer statue of Rio de Janeiro