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The show title next to Stonehenge at night with lights in the shape of an 'X' covering it

Britain's X-Files

New series starts Tuesday 3 November 10pm on Sky HISTORY and HISTORY Play

Beneath London’s public records office, thousands of once top-secret files are being released into the public domain, disclosing details of investigations into the paranormal. Investigative journalist Tim Tate has spent hundreds of hours examining the files at the National Archives. He uncovers an extraordinary range of phenomena, from CIA backed psychic experiments and the scrutiny of performer Uri Geller to rumours of extraterrestrial landings in Wiltshire. The files also explore Admiral Lord Hill Norton’s pursuit of answers about the Rendlesham Forest incident. From sea monsters and mermaids to ancient rock art and unexplained underwater lights, could the truth finally be revealed about phenomena that seem truly out of this world?