Sky History 2 HD Saturday

Investigations into whether ancient tales of beings with super-human powers could be inspired by extra- terrestrials who came to Earth in the past

Investigations into inventor Nikola Tesla's claims of communication with extraterrestrials on other planets and whether the scientist could have been a human 'receiver'

The events of 1943, which began with the Casablanca Conference. The Soviets secured victory in Stalingrad and one of the best-selling songs in history was released

Halfway through its fourth full year, the fortunes of war were running increasingly in favour of the Allies. The bombing of Hamburg and the Allied Tehran Conference take place

The story of the Siege of Leningrad told from the Russian perspective. The defence of the city lasted from September 1941 to January 1944 and more than a million civilians died

Archaeologists conduct a dig at Auckland Castle in Co Durham, which 700 years ago was home to a group of power-crazed bishops who behaved more like warriors than religious leaders

Raksha Dave and Alex Langlands search for the remains of a First World War stable at Catterick Garrison, where thousands of horses would have been housed

Rick Edwards and Beau Ouimette head to north Wales to investigate waterways that may contain signs of the medieval Welsh Rebellion of the late 13th century

Investigations into whether ancient tales of beings with super-human powers could be inspired by extra- terrestrials who came to Earth in the past

Investigations into inventor Nikola Tesla's claims of communication with extraterrestrials on other planets and whether the scientist could have been a human 'receiver'

Key events of the Second World War, beginning with Germany invading Poland, and touching on Japan's expansion in Asia

Events of 1941, when Hitler invaded the USSR. Plus, Operation Barbarossa stalled as winter hits and Soviet resistance - fuelled by propaganda - turned the tide

As long as there has been espionage, sex and the promise of it have been powerful tools of persuasion and blackmail - practices that continue today

Andy McGrath embarks on a mission to unearth the Cornish sites of King Arthur and tries magnet fishing for the mythical sword Excalibur

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

How Julius Caesar, desperate for fame and honour, embarked on a brutal decade-long campaign to annex Gaul and build his own reputation

How Germanic chieftain Arminius slaughtered all three of General Varus's legions in a battle in Teutoburg Forest in 9AD

Investigations into whether ancient tales of beings with super-human powers could be inspired by extra- terrestrials who came to Earth in the past

Investigations into inventor Nikola Tesla's claims of communication with extraterrestrials on other planets and whether the scientist could have been a human 'receiver'