SkyHistory2HD It is likely that aliens exist in a universe as large as ours. How would they navigate those vast distances and potentially visit us on earth. 2026-04-11 Close encounters come in many different forms, from sightings to abductions. Meet the real people who have experienced alien life up close. 2026-04-11 Exploring why the Celts moved from prosperous cities into smaller fortified settlements and how this triggered their decline in Central Europe. (3 of. 2026-04-11 Dr Alice Roberts explores the biggest collection of Roman writing tablets. A fort scattered with human skulls provides evidence of Caesar's invasion. 2026-04-11 Nubian pyramids reveal the rise of female power in Ancient Kush, while satellite images uncover secrets of an ancient Puebloan site in New Mexico. 2026-04-11 A real Diamond T truck build has Mike and his crew scrambling to keep up with their client demands. 2026-04-11 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. 2026-04-11 Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence. 2026-04-11 The Wooden Wonder: The fascinating story behind the stunning wooden aircraft, which undertook some of the most daring and iconic raids of WWII. (6 of. 2026-04-11 The mighty Flying Fortress takes to the air as we examine the background and development of one of WWII's most iconic bombers. 2026-04-11 Viking Camp and Iron Age Gold: Dr Alice Roberts explores the most exciting finds from West Britain. Iron Age gold in Britain is unearthed and a Viking camp is discovered. 2026-04-11 Dr Alice Roberts uncovers some incredible finds from North Britain, including Scottish man-made islands that help paint a picture of Stone Age tech. 2026-04-11 Andy heads to the home of palaeontology on the Jurassic Coast and braves the collapsing cliffs of Lyme Regis to bring back one of its many fossils. 2026-04-11 Andy visits Britain's oldest shop, drinks coffee with a corpse and discovers a 19th-century time machine hidden in an urban cemetery. 2026-04-11 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. 2026-04-11 Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence. 2026-04-11 Vera finds out her agents' fate. Her beliefs about Noor are challenged. Suspicions lead Vera to hunt down a Nazi mastermind. 2026-04-11 Himmler's desire to unearth the true origins of humanity led to an attempt to prove the Paleolithic past of Germany's Aryan race. 2026-04-11 Hours before the D-Day landing, a small group of American paratroopers were dropped behind enemy lines with a vital mission. 2026-04-11 The Siege of Paris by the Vikings: Journey back to 885, when a small army in Paris repelled the Vikings, who had ravaged everything in their path while travelling up the Seine. 2026-04-11 Hannibal V. Rome: Examine how the strategy of encirclement devised by Hannibal left 50,000 Romans dead on the battlefield of Apulia on August 2, 216 BC. 2026-04-11 In the wake of the First World War, Adolf Hitler identifies Benito Mussolini as his model and has one ultimate goal: to gain power in Germany. 2026-04-11 Hitler appears to be eliminated after his failed putsch in 1923. Discover how the Nazi movement used democracy's tolerance in Germany to come back. 2026-04-11 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. 2026-04-11 Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence. 2026-04-11 Revelation is the most terrifying book in the Bible, describing mankind's final days. But who will survive God's wrath? And when will it happen. 2026-04-12 In 1994, a secret manuscript hidden in the Vatican revealed a previously unknown apocalyptic prophecy accredited to Nostradamus. Where did it come from. 2026-04-12 The defeat at Stalingrad in 1943 was the turning point of the war and convinced the Nazi leadership to intensify their terror and propaganda campaigns. 2026-04-12 The Pyramid Tool Kit, the Killer Foot Machine and the Lost Head: Examine an ancient pyramid toolkit, a device that unleashes lethal X-rays and a divisive terracotta sculpture. 2026-04-12 One of the world's most popular cathedrals, Notre Dame suffered a devastating fire in 2019 - but how is it surviving today. 2026-04-12 Close Encounters of the Fifth Kind: Explore whether contact with extraterrestrial life could have occurred. If so, has this happened in the highest levels of the US government. 2026-04-12 The vast Alaskan wilderness is known for disappearances, stories of strange creatures and UFO sightings. Could this be due to an otherworldly presence. 2026-04-12 The F15 Eagle immediately turned the tide of the first Gulf War to prove its greatness. 2026-04-12 The mighty North American twin delivered the first blow in the fight back against Japan, in one of the most daring and audacious raids of all time. 2026-04-12 Dr Alice Roberts explores the biggest collection of Roman writing tablets. A fort scattered with human skulls provides evidence of Caesar's invasion. 2026-04-12 In the East of Britain, Dr Alice Roberts finds new revelations from 'Britain's Pompeii' and the theatre where Shakespeare premiered Romeo and Juliet. 2026-04-12 Dr Alice Roberts explores finds from the west of Britain, including the lost World War I training trenches on Salisbury Plain. 2026-04-12 Discover over a hundred massive concrete arrows scattered across America, a mysterious hole in the middle of a lake in Southern California and more. 2026-04-12 Close Encounters of the Fifth Kind: Explore whether contact with extraterrestrial life could have occurred. If so, has this happened in the highest levels of the US government. 2026-04-12 The vast Alaskan wilderness is known for disappearances, stories of strange creatures and UFO sightings. Could this be due to an otherworldly presence. 2026-04-12 Discover what would happen to priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell if humans were no longer around. 2026-04-12 With no humans around, discover the fate of Las Vegas and Atlantic City, where the ocean would tear apart casinos and a new rat pack would take over. 2026-04-12 Discover the fate of mankind's machinery of war in a world with no people, in which Pearl Harbor comes under renewed attacks, and snow causes urban avalanches. 2026-04-12 Explore a collection of figures and groups who have redefined the notion of fame through history, from royal families across the globe to Marilyn Monroe and The Beatles. 2026-04-12 The Real Evidence: Delve into the new theories that shed light - or cast doubt - on the Crucifixion. Is there any real archaeological evidence. 2026-04-12 With the invasion of Britain officially postponed, the Germans looked for another way to knock Britain out of the war. 2026-04-12 In 1941, Japan, the Axis ally of Germany and Italy, attacked the US naval base at Pearl Harbour, Hawaii, with no warning and no declaration of war. 2026-04-12 Close Encounters of the Fifth Kind: Explore whether contact with extraterrestrial life could have occurred. If so, has this happened in the highest levels of the US government. 2026-04-12