Sky History2 Nazi scientists conducted brutal experiments for an Aryan master race, while zoologists ran their own bizarre trials. (S3, ep 5) 2026-07-15 Ghost Towns: Drones reveal what is left of Henry Ford's suburb in the Amazon, while clues to what killed a once-vibrant Pennsylvania mining town is discovered. (S1, ep 7) 2026-07-15 Invasion Texas 2008: The UFO Hunters travel to Stephenville, Texas to investigate multiple reports of strange lights in the sky. (S1, ep 7) 2026-07-15 Rattenkrieg: From Burma to China and war-torn Europe, battles rage on as Japan pushes in Asia and Hitler renews his assault on the Soviet Union. (S1, ep 6) 2026-07-15 Death Devices: Witness the dark origin stories behind some of history's most notorious methods of execution, from the guillotine to the electric chair. (S1, ep 1) 2026-07-15 The Killing of Margo Compton: When Hells Angels are linked to the murder of a woman and her daughters, a detective embarks on an 18-year quest to bring the killers to justice. (S1, ep 3) 2026-07-15 The Top Ten Alien Petroglyphs: Count down the top ten alien petroglyphs around the world, from strange figures to flying craft and carvings of what appear to be astronauts. (S15, ep 15) 2026-07-15 Edgar Cayce - The Sleeping Prophet: In the 1900s, a modern-day prophet Edgar Cayce became a worldwide sensation. He claimed to receive visions of both the past and future. (S15, ep 16) 2026-07-15 Invasion Texas 2008: The UFO Hunters travel to Stephenville, Texas to investigate multiple reports of strange lights in the sky. (S1, ep 7) 2026-07-15 Near the Czech border, a secret German site, "The Giant," tests The Bell, powered by Serum 525, turning all who touch it into rotting living zombies. (S3, ep 1) 2026-07-15 1942 and Hitler has the totally barking idea of using educated dogs to do a soldier's job. The Nazi leader wants to create fearsome canines to help him win the Second World War. (S3, ep 2) 2026-07-15 Russian designer Nikolay decided to engineer a solution to trench warfare with an armoured vehicle with wheels that could move over any terrain. (S3, ep 3) 2026-07-15 Doctor Harold Shipman was convicted of killing 15 patients in 2000, but he is thought to have killed up to 215. Discover how he was eventually caught by detectives. (S1, ep 2) 2026-07-15 The Top Ten Mysteries of the Deep: Count down the top ten mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis. (S15, ep 17) 2026-07-15 The Gods of Greece: Explore whether the Gods of Greece including Zeus, Apollo and Poseidon, were actually extra-terrestrial visitors to Earth. (S15, ep 18) 2026-07-15 Armed And Defenseless: 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. 2026-07-15 Record Breakers: Discover some of history's most ground-breaking vessels, from Britain's HMS Warrior of 1860 to the German battlecruisers of WWII. (S4, ep 7) 2026-07-15 A hard-hitting look at the murder of Rachel Nickell, who was sexually assaulted and murdered in front of her two-year-old son on Wimbledon Common in 1992. (S3, ep 6) 2026-07-15 The Top Ten Mysteries of the Deep: Count down the top ten mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis. (S15, ep 17) 2026-07-15 The Gods of Greece: Explore whether the Gods of Greece including Zeus, Apollo and Poseidon, were actually extra-terrestrial visitors to Earth. (S15, ep 18) 2026-07-15 Alien Messages: Could extraterrestrials have left us clues to the universe's mysteries? Experts investigate cryptic puzzles that might have been left by ancient aliens. (S7, ep 7) 2026-07-15 The Great Flood: Experts find evidence suggesting that ancient aliens saved humanity from great floods sent by the gods. Can we rely on extra-terrestrials to save us again? (S7, ep 8) 2026-07-15 The Vanishings: Experts explore the disappearance of civilisations throughout time and across the globe. Could clues left in their wake point to an otherwordly explanation? (S7, ep 9) 2026-07-15 Hidden Pyramids: Experts investigate ancient man's apparent obsession with building pyramids, and whether extra-terrestrials may have helped with their construction. (S7, ep 11) 2026-07-15 The Alien Agenda: Ancient alien theorists investigate evidence suggesting that extraterrestrials have played a pivotal role in the progress of mankind. (S7, ep 12) 2026-07-16 Desert Mysteries: Look down over a constant inferno in Turkmenistan, mysterious circles in the Namibian desert and secret electric blue ponds in Utah. (S1, ep 8) 2026-07-16 UFO Dogfights: The team examines a declassified US Department of Defense report which analyses an alleged encounter between a fighter pilot and a UFO. (S1, ep 8) 2026-07-16 The Shame of Returning Alive: As Soviet forces push back, Goebbels calls for total war amid the devastation of German cities from Allied bombers. (S1, ep 7) 2026-07-16 Mad Medicine: Ever taken medical advice from a cigarette advert? Dive into a world where animal skin could replace your own and where doctors gave coffee enemas. (S1, ep 3) 2026-07-16 Julius Caesar: As the Roman Republic churns with civil war, Julius Caesar, desperate for fame and honour, embarks on a brutal campaign to annex Gaul and build his own reputation. (S1, ep 3) 2026-07-16 The Top Ten Mysteries of the Deep: Count down the top ten mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis. (S15, ep 17) 2026-07-16 The Gods of Greece: Explore whether the Gods of Greece including Zeus, Apollo and Poseidon, were actually extra-terrestrial visitors to Earth. (S15, ep 18) 2026-07-16 UFO Dogfights: The team examines a declassified US Department of Defense report which analyses an alleged encounter between a fighter pilot and a UFO. (S1, ep 8) 2026-07-16 Alien Messages: Could extraterrestrials have left us clues to the universe's mysteries? Experts investigate cryptic puzzles that might have been left by ancient aliens. (S7, ep 7) 2026-07-16 The Great Flood: Experts find evidence suggesting that ancient aliens saved humanity from great floods sent by the gods. Can we rely on extra-terrestrials to save us again? (S7, ep 8) 2026-07-16 The Vanishings: Experts explore the disappearance of civilisations throughout time and across the globe. Could clues left in their wake point to an otherwordly explanation? (S7, ep 9) 2026-07-16 A hard-hitting look at the murder of Rachel Nickell, who was sexually assaulted and murdered in front of her two-year-old son on Wimbledon Common in 1992. (S3, ep 6) 2026-07-16 The New UFO Hunters: In the 21st century, UFOs have gone from fringe science to mainstream obsession. Are we getting closer to understanding the strange events in the sky? (S15, ep 19) 2026-07-16 The Power of the Talisman: For millennia, people have believed that everyday objects can possess hidden energy. These talismans are seen to provide protection and good fortune. (S15, ep 20) 2026-07-16 Roads To Nowhere: What is the fate of our cars, planes and roads? What part would armadillos play in a future without people? And how do abandoned oil refineries threaten major disaster? 2026-07-16 Lightning Strikes: Discover some of history's most effective and deceptive lightning strikes, achieving victory through speed, precision and the element of surprise. (S4, ep 8) 2026-07-16 Bludgeoned to death whilst walking down a country lane, the horrific murders of Lin and Megan Russell made worldwide news. Discover the events of that shocking day. (S1, ep 4) 2026-07-16 The New UFO Hunters: In the 21st century, UFOs have gone from fringe science to mainstream obsession. Are we getting closer to understanding the strange events in the sky? (S15, ep 19) 2026-07-16 The Power of the Talisman: For millennia, people have believed that everyday objects can possess hidden energy. These talismans are seen to provide protection and good fortune. (S15, ep 20) 2026-07-16 Holiday Hell: The things that once represented our favourite times of year meet their demise, from Christmas trees and roller coasters, to high-end resorts and cruise ships. (S2, ep 6) 2026-07-16 Sky's The Limit: The most important planes in history are grounded with no humans around to fly them, including Air Force One, which suffers an explosive malfunction. (S2, ep 7) 2026-07-16 Home Wrecked Homes: Gas leaks turn suburbs into infernos and high-rise apartments crumble to the earth in an ominous look at the fate that awaits our homes post-apocalypse. (S2, ep 8) 2026-07-16 Depths of Destruction: A look at what could happen to the world underground, as minerals grow unchecked in a mine. Back on land, 400 million animals run wild in a town. (S2, ep 9) 2026-07-16 Take Me To Your Leader: The White House meets its fate in a world without people, and the President's dog must learn the way of the wild. (S2, ep 10) 2026-07-17