Sky History 2 HD Saturday

Experts investigate strange carvings from 8,000 BC and unexplained sightings in the New World, which could suggest there is more to the US's past than written in the history books

Experts investigate remote ruins, mysterious caves and legendary mountain portals, asking if these alleged stargates have brought ancient aliens to Earth

Experts examine the belief that gifted children with strange abilities and great knowledge may have been born from ancient aliens

The Nazis' growing influence in Europe after the First World War. The seeds were sown as a clash of right-wing and left-wing politics caused strife in Germany

How the failed coup on November 9, 1923 eliminated Hitler's movement. His National Socialist German Workers' Party achieved a miserable result in the 1928 Reichstag elections

A fresh look at the Third Reich from a global and current perspective. This episode recalls how a social protest turned into a racist and anti-Jewish movement during the 1920s

Experts investigate strange carvings from 8,000 BC and unexplained sightings in the New World, which could suggest there is more to the US's past than written in the history books

Experts investigate remote ruins, mysterious caves and legendary mountain portals, asking if these alleged stargates have brought ancient aliens to Earth

A satellite captures an eerie image of a perfectly round island rotating within a perfectly round lake in the middle of a supposedly haunted Argentinian swamp

An anomaly detected in the grounds of a castle in Scotland suggests that it may be the site of the legendary Round Table of King Arthur

How Isis sold antiquities to fund its terrorist actions aganst the West, with collectors turning a blind eye to the source of the items they were buying

A look at what might happen if humans were to vanish from Earth, assessing the future of LA and New York and considering which animals would be most likely to take over

A hypothetical look at what might happen to the Earth's metallic objects, such as bridges, buildings and gold reserves, if humans ceased to exist

Karl Ude-Martinez and Kevin Hicks continue their look at how weapons and body armour were developed, with a look at the impact of the War of the Roses

The covert operations and secret missions of revolutionaries in the Greek War of Independence against the Ottoman Empire between 1821 and 1829

How women were active and often violent participants and perpetrators in the Second World War and its attendant atrocities - especially the Holocaust

The great philosophers who have radically changed the way ordinary people have lived, from Lao Tzu, Confucius and Mencius to Plato and Aristotle

Experts investigate strange carvings from 8,000 BC and unexplained sightings in the New World, which could suggest there is more to the US's past than written in the history books

Experts investigate remote ruins, mysterious caves and legendary mountain portals, asking if these alleged stargates have brought ancient aliens to Earth

Experts examine the belief that gifted children with strange abilities and great knowledge may have been born from ancient aliens

Bettany Hughes analyses the character of Julius Caesar, recalling the day in 49BC when he effectively declared war on his rivals in Rome by leading his army over the River Rubicon

A look at UFO sightings, terrifying abductions and other bizarre occurrences, casting new light on historic cases

A look at UFO sightings, terrifying abductions and other bizarre occurrences, casting new light on historic cases

Queensland's farming country, close to the Great Barrier Reef. UFO activity in the region has led to the suggestion as to whether there is a link between water and such sightings