Sky History2 In Plain Sight: Discover over a hundred massive concrete arrows scattered across America, a mysterious hole in the middle of a lake in Southern California and more. (S1, ep 3) 2026-10-02 Learn about Togo's traditional religious practices and take a tour of the incredible Danakil Desert in Ethiopia. Plus, visit a city in Georgia where every citizen has a gun. (S1, ep 3) 2026-10-02 Sea Lions, Voynich Manuscript, Cocaine Mummies: A look at a mysterious medieval manuscript and Egyptian mummies containing cocaine from Peru. (S1, ep 3) 2026-10-02 The White House is one of the most-famous and most-haunted residences in the world. Experts investigate claims of extraordinary paranormal activity. (S1, ep 6) 2026-10-02 Millions mourned the death of Elvis Presley in 1977, but he's been spotted hundreds of times since. (S1, ep 8) 2026-10-02 Circles of reindeer appear in the remote tundra of Sweden. Experts investigate if this strange event could be evidence of fatal aftershocks from the Chernobyl nuclear disaster. (S7, ep 3) 2026-10-02 Hitler's Niece: Hitler's niece committed suicide. However, it's not known if she died at her own hands, or a victim of Hitler's overbearing affections. (S1, ep 1) 2026-10-02 The Duke of Windsor: The murder in 1943 of Sir Harry Oakes in the Bahamas, where the Duke of Windsor was governor at the time and influenced the outcome of his murder trial. (S1, ep 2) 2026-10-02 A look at the possibility that life began on Mars and travelled to Earth. Plus, if aliens exist, what plans do they have in store for us? Experts investigate. (S1, ep 5) 2026-10-02 Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life. (S1, ep 6) 2026-10-02 Scotland: Scotland has an area called the 'Falkirk Triangle', encompassing the village of Bonnybridge, which claims the highest concentration of UFO activity. (S1, ep 5) 2026-10-02 Phoenix Lights: In Phoenix, a mass UFO sighting took place. Thousands witnessed a series of bright orbs overhead. Craig and Sarah take on the extraordinary case. (S1, ep 6) 2026-10-02 Cornwall Part One: Andy embarks on a mission to unearth the Cornish sites of King Arthur, before magnet fishing for Excalibur and visiting the grave of a legendary witch. (S1, ep 2) 2026-10-02 Warwick: Dan explores the turbulent history that took place within the well-preserved walls of Warwick Castle, touching on tales of betrayal, bloodshed, murder and financial woe. (S1, ep 3) 2026-10-02 Submerged: A Turkish drought reveals a long-lost Basilica and its secrets, while the hull of a ship in the North Sea answers decades-old questions. (S1, ep 4) 2026-10-02 Visit some of the world's most unusual houses, explore the Bangladeshi city with the largest number of cycle rickshaws and travel to the richest village in all of China. (S1, ep 4) 2026-10-02 Dolphin Saviours, Grim Reapers, Hysterical Strength: A look at dolphin rescues, death-smelling pets and a skinny teen with unbelievable strength. (S1, ep 4) 2026-10-02 Experts investigate whether a controversial union leader's disappearance is linked to the mob or if he went missing on his own accord. (S1, ep 2) 2026-10-02 Millions mourned the death of Elvis Presley in 1977, but he's been spotted hundreds of times since. (S1, ep 8) 2026-10-02 Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life. (S1, ep 7) 2026-10-02 An out-of-this-world look at ten of the most fascinating alien encounters ever. (S1, ep 8) 2026-10-02 Chicago: Craig and Sarah take on the Chicago O'Hare case of November 2006, a mass sighting of a flying saucer hovering over a United Airlines airport gate. (S1, ep 7) 2026-10-02 Alan Godfrey/'Abductions': Craig and Sarah look at the Yorkshire case of Alan Godfrey, who was allegedly abducted by a UFO. Godfrey underwent hypnosis in support of his claim. (S1, ep 8) 2026-10-02 Cornwall Part Two: Andy is back in Cornwall searching for legends, meeting a real-life mermaid and fishing for Cornwall's infamous sea serpent Morgawr. (S1, ep 3) 2026-10-02 Caernarfon: Dan is in the heart of Snowdonia exploring a Caernarfon Castle - built not only as an impenetrable fortress but also as a lavish royal palace fit for a fairy tale. (S1, ep 4) 2026-10-02 NASA astronaut Mike Barratt describes photographing a strange ring in the ice on the world's oldest lake from the International Space Station. (S1, ep 4) 2026-10-02 Submerged: A Turkish drought reveals a long-lost Basilica and its secrets, while the hull of a ship in the North Sea answers decades-old questions. (S1, ep 4) 2026-10-03 Visit some of the world's most unusual houses, explore the Bangladeshi city with the largest number of cycle rickshaws and travel to the richest village in all of China. (S1, ep 4) 2026-10-03 Dolphin Saviours, Grim Reapers, Hysterical Strength: A look at dolphin rescues, death-smelling pets and a skinny teen with unbelievable strength. (S1, ep 4) 2026-10-03 People reveal details from their past lives as celebrities, while experts investigate evidence that suggests death may not be the end of our existence. (S1, ep 9) 2026-10-03 Hypnotherapist Adrian Finkelstein and his patient claim that they are Paul Bern and his wife, actress Jean Harlow, reincarnated. (S1, ep 10) 2026-10-03 When an island off the coast of Mexico suddenly disappears, government officials scramble to find an explanation. (S7, ep 4) 2026-10-03 Ordinary people across the US are encountering something that bears a startling similarity to Werewolves. Are these creatures something more than myth? 2026-10-03 Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life. (S1, ep 7) 2026-10-03 An out-of-this-world look at ten of the most fascinating alien encounters ever. (S1, ep 8) 2026-10-03 Chicago: Craig and Sarah take on the Chicago O'Hare case of November 2006, a mass sighting of a flying saucer hovering over a United Airlines airport gate. (S1, ep 7) 2026-10-03 Alan Godfrey/'Abductions': Craig and Sarah look at the Yorkshire case of Alan Godfrey, who was allegedly abducted by a UFO. Godfrey underwent hypnosis in support of his claim. (S1, ep 8) 2026-10-03 Cornwall Part Two: Andy is back in Cornwall searching for legends, meeting a real-life mermaid and fishing for Cornwall's infamous sea serpent Morgawr. (S1, ep 3) 2026-10-03 Caernarfon: Dan is in the heart of Snowdonia exploring a Caernarfon Castle - built not only as an impenetrable fortress but also as a lavish royal palace fit for a fairy tale. (S1, ep 4) 2026-10-03 Series investigating compelling UFO and alien cases by opening previously off-limits secret files. Does the mysterious Blue Planet Project hold the answers? (S1, ep 1) 2026-10-03 Recently declassified FBI files cast new light on the existence of aliens, as well as question whether the Vatican could be hiding proof of extra-terrestrial life. (S1, ep 2) 2026-10-03 Wales: Some believe a UFO was shot down by the RAF above South Wales in 2016. Craig and Sarah examine the evidence as they try to discover if it was an extra-terrestrial event. (S1, ep 1) 2026-10-03 Ireland: Craig and Sarah take a look at a case from November 2018 off the coast of Ireland, in which pilots saw bizarre lights through their cockpit windows. (S1, ep 2) 2026-10-03 Scotland: Andy travels to Scotland, visiting the heart-rending doggy suicide bridge and learning about a terrifying family of cannibals who used to prey upon weary travellers. (S1, ep 11) 2026-10-03 Scotland: The Search for the Loch Ness Monster: Andy joins a team of Nessie experts to carry out the biggest search for the Loch Ness Monster in 50 years. (S1, ep 1) 2026-10-03 Dover: Dan ventures behind the battlements of Dover Castle, exploring the underground lairs and a vast network of tunnels that have been used to defend the country for centuries. (S1, ep 1) 2026-10-03 Warwick: Dan explores the turbulent history that took place within the well-preserved walls of Warwick Castle, touching on tales of betrayal, bloodshed, murder and financial woe. (S1, ep 3) 2026-10-03 Discover a massive tsunami hundreds of feet high that never touches land and an image from space may have revealed the location of the Garden of Eden. (S1, ep 1) 2026-10-03 Discover an island the size of Manhattan that vanishes without a trace and a lost city in the heart of the Amazonian jungle. (S1, ep 2) 2026-10-03 A look at the possibility that life began on Mars and travelled to Earth. Plus, if aliens exist, what plans do they have in store for us? Experts investigate. (S1, ep 5) 2026-10-03 Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life. (S1, ep 6) 2026-10-04