Sky History 2 Sunday

A look into the century-long rumours, legends and eyewitness accounts of Bigfoot, a massive, hairy creature that roams the forest on two legs

The validity of historical accounts concerning creatures that can shapeshift from one form to another

Documentary contemplating the notion that extraterrestrials have been influencing US presidents

Phillip J Corso claims that the US army has physical evidence of alien crafts. The programme investigates the secrets to be found in the mysterious Project Aurora

A look at the stories of UFO witnesses Betty Cash and Vickie Landrum, Scottish hacker Gary McKinnon, ex-musician Tom Delonge and John Podesta

Experts examine the ruins left by ancient civilisations, including the Mayans, in the hope of finding evidence of extraterrestrial contact