Sky History 2 HD Saturday

Experts question whether the facts of Earth's alien past could be buried in areas that - thanks to warfare or instability - are presently off-limits to exploration

Giorgio Tsoukalos decodes some of the evidence for Ancient Astronaut theory found in mysterious carvings, symbols and structures that are similar on opposite ends of the Earth

Giorgio Tsoukalos joins forces with theorists to consider whether unexplained advances in human evolution can be attributed to alien architects

Part two of two. Miraculously preserved bones, skulls, and weapons found by an amateur archaeologist in Northern Germany, dating back to the Bronze Age

The motivations leading people to spy against their own nations. As notorious cases demonstrate, they tend to fall into one of four categories

Love is a universal and powerful emotion, but it can also be destructive. This episode focuses on historial acts of love and betrayal

Experts question whether the facts of Earth's alien past could be buried in areas that - thanks to warfare or instability - are presently off-limits to exploration

Giorgio Tsoukalos decodes some of the evidence for Ancient Astronaut theory found in mysterious carvings, symbols and structures that are similar on opposite ends of the Earth

Experts investigate whether Betty and Barney Hill really were abducted by aliens. They also explore the mystery of The Mothman, and Travis Walton's disappearance

Operation Husky, a massive amphibious invasion of the island of Sicily carried out by Allied Forces in July 1943

A look at the French Revolution, when the chance for the majority of ordinary people to escape lives of squalor could come only on a tide of change

The Industrial Revolution changed it all when it came to cannons, as they evolved from wholly inaccurate and immobile to deadly killing machines

How, for many years, Disney has pushed the boundaries of art and science through the work of dreamers, designers and builders known as the 'Imagineers'

Military combat specialists Karl Ude-Martinez and Kevin Hicks test out swords, spears and armour as they investigate the British uprising against the Roman army

Guided by Native American legend, the team of archaeologists, historians and investigators unearths a Custer-era bullet at the edge of the battlefield

By the fourth century AD, Rome is in decline and the Colosseum lays empty. To restore Rome, one man, a devout worshipper of the old gods, turns to the arena

Before the Unabomber, New Yorkers were terrified for 16 years by an attacker who planted bombs across the city. The culprit was an electrician called George Metesky

Experts question whether the facts of Earth's alien past could be buried in areas that - thanks to warfare or instability - are presently off-limits to exploration

Giorgio Tsoukalos decodes some of the evidence for Ancient Astronaut theory found in mysterious carvings, symbols and structures that are similar on opposite ends of the Earth

Giorgio Tsoukalos joins forces with theorists to consider whether unexplained advances in human evolution can be attributed to alien architects

The real-life influences that were the inspiration for JRR Tolien's popular literary phenomenon The Lord of the Rings, a fantasy world of hobbits, orcs and wizards

Eva Braun is Adolf Hitler's most famous girlfriend - but she was not his first. Many lovers died in mysterious circumstances - and conspiracy theories abound

Military combat specialists Karl Ude-Martinez and Kevin Hicks test out swords, spears and armour as they investigate the British uprising against the Roman army

Experts investigate whether Betty and Barney Hill really were abducted by aliens. They also explore the mystery of The Mothman, and Travis Walton's disappearance

Specialists in the field of the extraterrestrial study evidence across 75 million years to validate the theory that there has been extraterrestrial intervention on Earth