Sky History 2 HD Saturday

The programme contemplates the possibility of the first astronauts reaching Mars in the next 20 years, and wonders if there is evidence to suggest human life was first seeded there

Ancient Astronaut theorists examine the creation myth of the 'Cosmic Egg', and look at why the concept is so pervasive throughout the world

Ancient astronaut theorists look at the Aborigine legend of Dreamtime, and ask if these stories hold the proof that aliens created life on Earth

The team follows the search for artefacts from the Second World War, joining marine archaeologists in the Solent as they raise a Fairey Barracuda divebomber

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

An assessment of whether past plagues have been brought to Earth by aliens and whether the planet is prepared for an extraterrestrial invasion of disease

A look at suggestions that extraterrestrials could be altering human DNA and repopulating the Earth with alien-human hybrids

The stories of some of history's most notable leaders, from Sir Winston Churchill to Fidel Castro and Nelson Mandela

Among the magnificent items studied are an obsidian mirror and the Voynich Manuscript, an illustrated codex hand-written in an unknown, possibly meaningless writing system

Beau Ouimette and Rick Edwards take on the River Wear, seeking artefacts spanning Durham's rich past from the 1200s reign of Edward I, shedding light on the history of the city

Beau Ouimette and Rick Edwards search the River Tees, searching for lost Tudor relics from a gruesome 16th-century siege at Barnard Castle and secrets of this ancient borderland

Alice Roberts visits a secret location in the Cotswolds, which appears to be a high-status Anglo Saxon cemetery, where she finds a very precious and fragile artefact

In Northern Ireland, the graveyard of a Victorian workhouse sheds light on one of the most traumatic periods of modern Irish history, the Great Famine of 1845

After an intense search for more tangible evidence, actor Peter Stormare and history enthusiast Elroy Balgaard choose a new direction

Hitler's government was firmly in the saddle in October 1934. The indifference of many countries to those Jewish refugees forced to leave Germany was evident

Three Portuguese girls claimed to have been visited by the Virgin Mary in 1917, before two of them died. The survivor reveals her long-kept secret

A version of the ancient text once buried with an Egyptian scribe, now preserved in the British Museum and thought to be the oldest surviving document in human history

Investigating 'The Nine' - an alleged federation of extraterrestrial beings who some believe monitor and influence mankind

Ancient astronaut theorists look at the Aborigine legend of Dreamtime, and ask if these stories hold the proof that aliens created life on Earth

Investigating claims that China, with its history of technological advancement and isolationism, could have been the home of alien beings

Three Portuguese girls claimed to have been visited by the Virgin Mary in 1917, before two of them died. The survivor reveals her long-kept secret

The Munich air crash of 1958, when a flight carrying the Manchester United football team crashed on its third attempt to take off from a slush-covered runway

A look at suggestions that extraterrestrials could be altering human DNA and repopulating the Earth with alien-human hybrids

As science turns towards augmenting humanity with technology, theorists suggest that society is merely following the path of its alien creators