Sky History2 Torpedo Boats At War: From tests in the River Thames, to the German's deadly U-boat attacks in World War II, this episode explores the silent threat of submarines. (S1, ep 5) 2026-05-16 Mystery Sea Beast, the Earth is Alive and Shapeshifting UFO: What is the mysterious sea beast seen from UK shores? Are summoners able to commune with UFOs? Is the Earth alive? (S3, ep 15) 2026-05-16 The Gods of War: The industrial revolution changed it all when it came to cannons as they evolved from wholly inaccurate and immobile to deadly killing machines. (3 of 3) 2026-05-16 The Cold War Code: A look at America's Cold War codebreakers charged with unravelling a seemingly uncrackable Soviet code and the uncovering of the Manhattan Project. (S1, ep 6) 2026-05-16 Sacred Discoveries: Discover treasures and ancient manuscripts hidden in mysterious chambers, tunnels, caves and burial sites. (S1, ep 5) 2026-05-16 Hidden Wonders: Most of the world's holiest places sit in plain sight, but there are some hidden deep underground. (S1, ep 6) 2026-05-16 Shiva The Destroyer: Of all the Hindu gods, none is more important than Shiva, the great destroyer. Could the deity have been the leader of an extraterrestrial race? (S9, ep 16) 2026-05-16 Alien Discs: Hundreds of seemingly alien discs are found in China, only to be taken by the Chinese government and dismissed as a hoax. Is there more to the story? (S10, ep 14) 2026-05-16 Cops vs UFOs: Hear first-hand accounts from seasoned, decorated police officers who have had unbelievable, but substantiated UFO encounters. (S1, ep 1) 2026-05-16 Odiham, Hampshire: Hugh and the team search for the house of the head of the Elizabethan Secret Service, Sir Frances Walsingham, to find out what this spymaster used it for. (S3, ep 5) 2026-05-16 A Norman Panic Room and a Mesolithic Fish Trap: Alice explores the West of Britain, where some castles stand tall, while others have almost disappeared into the landscape. (S11, ep 3) 2026-05-16 Animal Oddities: Experience stunning animal spectacles: soaring over northern nomads, Pacific giants, a US pig stampede and fierce ocean predators. (S3, ep 10) 2026-05-16 Big Things Happening: Scott and Sheldon go picking in Central Alberta where they come upon a glitzy showroom full of extraordinary antique cars, jukeboxes and tin trucks. (S2, ep 3) 2026-05-16 The Nasa Connection: Experts open up NASA and secret government files. Can they find proof of alien contact in the recent or ancient past? (S4, ep 5) 2026-05-16 Secrets Of The Pyramids: Experts explore the similarities between huge pyramids across the world. Could extraterrestrials have influenced their construction and design? (S4, ep 6) 2026-05-16 Germany invades Poland, sparking global war: Japan expands in Asia and Africa's colonies become key battlegrounds for power and resources. (S1, ep 1) 2026-05-16 Trials: Vera finds out her agents' fate. Her beliefs about Noor are challenged. Suspicions lead Vera to hunt down a Nazi mastermind. (S1, ep 5) 2026-05-16 The Wrens: Though the Admiralty are convinced the Allies have the expertise to defeat Germany, Roberts and the Wrens start devising wargaming tactics to combat U-boat formations. (S1, ep 3) 2026-05-16 Roman Mosaics and Ancient Weapons: Travelling east, Alice discovers a Roman barn conversion, unearthing a Tudor fort and finding intricately carved 10,000-year-old weapons. (S10, ep 5) 2026-05-16 Ice Age Camp and a Saint With Syphilis: Alice investigates an Ice Age camp, the mystery of a medieval skeleton and the earliest evidence of salt making in Britain. (S10, ep 6) 2026-05-16 The Roman Emperor's Bathhouse: Digs in northern Britain reveal a Roman emperor's lost bathhouse and a formidable fortress perched on top of a Scottish mountain. (S11, ep 1) 2026-05-16 The Nasa Connection: Experts open up NASA and secret government files. Can they find proof of alien contact in the recent or ancient past? (S4, ep 5) 2026-05-16 Secrets Of The Pyramids: Experts explore the similarities between huge pyramids across the world. Could extraterrestrials have influenced their construction and design? (S4, ep 6) 2026-05-16 The First Metal Warships: Looking at early metal warships, and how HMS Rattler's screw propeller in 1845 would lead to the revolutionary HMS Dreadnought in the 20th Century. (S1, ep 4) 2026-05-16 The First Railroad War: The story of the Great Locomotive Chase - an attempt by Northern spies to steal steam locomotive The General during the American Civil War. (S1, ep 4) 2026-05-17 Bombs, Bridges and Tunnels: We examine the robot that defused bombs both on foreign battlefields and British streets, and an astonishing Gulf War minelayer. (S1, ep 4) 2026-05-17 Cursed Amethyst: A damned gem, a devilish beast and the downfall of a family for several generations. How long must we suffer for the sins of the past? (S1, ep 6) 2026-05-17 Abandon All Hope Diamond: A diamond with a sinister past, the bones of a world-famous bard and a beach covered in cursed stones - who dares to disturb their peace? (S1, ep 2) 2026-05-17 Mysterious Structures: Discover a revolutionary War era ship hides under the streets of New York and a sprawling Roman villa is unearthed in the backyard of an English home. (S1, ep 1) 2026-05-17 ...Mysteries of the Universe. Are We Alone?: Discover unidentified objects witnessed by military pilots and a potential alien home in the darkness of space. (S1, ep 1) 2026-05-17 The Nasa Connection: Experts open up NASA and secret government files. Can they find proof of alien contact in the recent or ancient past? (S4, ep 5) 2026-05-17 Secrets Of The Pyramids: Experts explore the similarities between huge pyramids across the world. Could extraterrestrials have influenced their construction and design? (S4, ep 6) 2026-05-17 Tinley Park: Annually, Illinois gets more than 300 UFO reports, so why are the Tinley Park sightings - with over 70 witnesses each year - the only reports that happen en masse? (S1, ep 2) 2026-05-17 Deceit and Delusion 1923-1928: 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. (S1, ep 2) 2026-05-17 Bombs, Bridges and Tunnels: We examine the robot that defused bombs both on foreign battlefields and British streets, and an astonishing Gulf War minelayer. (S1, ep 4) 2026-05-17 English Civil Wars - Naseby: Karl and Kevin explore how weapons and armour developed, starting with the 1645 Battle of Naseby during the English Civil War. (S1, ep 1) 2026-05-17 Unexpected Discoveries: Using drones and satellite imagery, discover a vanished Neolithic structure in an Irish field, an oasis in a Chinese desert and buried treasure in the UK. (S1, ep 1) 2026-05-17 Aliens And Bigfoot: Ancient astronaut theorists hunt for evidence linking Bigfoot to alien species from the distant past. Could the ape-like giant be an extraterrestrial? (S4, ep 7) 2026-05-17 Einstein Factor: Ancient astronaut experts believe the minds of Einstein and Galileo were superhuman. Could these historical geniuses have had extraterrestrial connections? (S4, ep 8) 2026-05-17 In 1941, Hitler invaded the USSR. Operation Barbarossa stalls as winter hits and Soviet resistance, fuelled by propaganda, turns the tide. (S1, ep 2) 2026-05-17 Cover-Up: Capture of a key Nazi uncovers shocking realities. Amid demands for accountability, as Vera and her team navigate murky waters to confront uncomfortable truths. (S1, ep 6) 2026-05-17 The Game: Roberts and Laidlaw uncover a fatal flaw in the Royal Navy's anti-U-boat strategy and develop their own countertactic. Their next task is winning over the Admiralty. (S1, ep 4) 2026-05-17 Anglo-Saxon Gold and Rebellious Nuns: Dr Alice Roberts examines an RAF air base with a Roman past and a pub with a very long history of hospitality in central England. (S11, ep 2) 2026-05-17 A Norman Panic Room and a Mesolithic Fish Trap: Alice explores the West of Britain, where some castles stand tall, while others have almost disappeared into the landscape. (S11, ep 3) 2026-05-17 Set sail for Rathlin Island as we explore a Neolithic stone tool factory, a unique upside-down lighthouse and a World War II shipwreck. (3 of 4) 2026-05-17 Aliens And Bigfoot: Ancient astronaut theorists hunt for evidence linking Bigfoot to alien species from the distant past. Could the ape-like giant be an extraterrestrial? (S4, ep 7) 2026-05-17 Einstein Factor: Ancient astronaut experts believe the minds of Einstein and Galileo were superhuman. Could these historical geniuses have had extraterrestrial connections? (S4, ep 8) 2026-05-17 Creature of Lake Eacham: A mysterious creature that glows in the dark is discovered in the Australian rainforest. Hundreds of human bones are found in a Belizean cave. (S1, ep 7) 2026-05-17 Stone Secrets of Kilwa Island: A mysterious site with huge stone blocks is discovered off the coast of Tanzania. In the Guatemalan rainforest, hundreds of human bones are found. (S1, ep 8) 2026-05-18