Sky History2 SkyTV

They keep coming back. There are areas around the world that seem to keep attracting UFOs, where objects return to the skies again and again, as if taunting witnesses below. (S1, ep 7)

These are the witnesses that have been literally touched by the unknown. Do these cases hold the answer to the central question of UFOlogy? (S1, ep 8)

Secrets of Japan: Japan has long been a place of wonder. Delve into the age-old mysteries, examining how they connect with the recent surge in UFO activity. (S17, ep 17)

Mysteries of the Norse Gods: Could it be that these mythological tales are based on real encounters with extraterrestrial beings? (S17, ep 16)

Rendlesham: Craig Charles joins forces with world-renowned space journalist Sarah Cruddas to investigate some of the most perplexing UFO encounters of recent times. (S1, ep 4)

Edwardian Cardiff: Alice tells the story of Edwardian Britain by studying the history of Cardiff, Britain's most Edwardian town. (3 of 6)

Elizabeth: In 1592, Elizabeth I visited Sudeley Castle where a spectacular garden was created. 500 hundred years later, a team of archaeologists hunt for this lost gem. (S2, ep 1)

Ask Ian Special: Ian answers viewer questions and talks about past builds. (S6, ep 5)

Ancient Greece (Part 2): Venture back to ancient Greece and explore the great sites of Athens, Delphi, Olympia and Epidaurus which form some of the greatest sites in antiquity. (S2, ep 2)

Visit a UFO house in Taiwan and travel to Laos, where settlers use war ammunition as everyday objects. Plus, get to know a family that calls a graveyard home. (S1, ep 10)

Namibian Shipwreck & Sahara Plane Crash: A Portuguese ship that disappeared in 1533 may have been found in the Namibian desert, while a World War II plane is seen in the Sahara. (S1, ep 5)

Bizarre underwater formations might point to a top-secret US weapons testing facility and a strange sighting in the Arctic could be a lost Nazi relic. (S4, ep 8)

The Homefront: In our final episode, we examine how each Axis Power had troubles on their own home front, leading to disaster in the final days of the war. (S1, ep 5)

T34 Chaika: The Soviet Union produced a large variety of tanks and airplanes during World War II. What made the T34 and the Chaika stand out and become icons? (S1, ep 5)

The MUFON Files: The Mutual UFO Network is devoted to the scientific investigation of UFOs. With more than five decades of investigations, MUFON's database could contain proof. (S15, ep 5)

Cosmic Impacts: Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence? (S15, ep 6)

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)

Civil War Oxford: Alice explores the English Civil War through the history of Oxford, the city at the heart of a battle between an autocratic king and his rebellious parliament. (4 of 6)

Romans: Silchester is one of the best preserved Roman sites in Britain. Why did Rome's infamous emperor Nero stamp his mark on the town? (S2, ep 2)

Visit a UFO house in Taiwan and travel to Laos, where settlers use war ammunition as everyday objects. Plus, get to know a family that calls a graveyard home. (S1, ep 10)

Namibian Shipwreck & Sahara Plane Crash: A Portuguese ship that disappeared in 1533 may have been found in the Namibian desert, while a World War II plane is seen in the Sahara. (S1, ep 5)

Bizarre underwater formations might point to a top-secret US weapons testing facility and a strange sighting in the Arctic could be a lost Nazi relic. (S4, ep 8)

Adam, Gwen and Julie recall personal encounters with UFOs, before experts' theories are put in doubt when we learn that each individual has time missing from their encounters. (S1, ep 2)

Seti: In 2017, astronomers observed the very first visitor from interstellar space, 'Oumuamua'. Craig and Sarah speak with SETI scientists regarding its origin. (S1, ep 10)

Discover never-before-seen truths about UFOs through revelations from those on the inside. Is the truth about another intelligence becoming undeniably clear?

Cosmic Impacts: Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence? (S15, ep 6)