Sky History2 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 Jaws Of The Enemy: The American Navy is on the offensive and the first strike is on the Solomon Islands. Join the USS Enterprise as it supports the first American invasion. (S1, ep 3) 2026-05-18 The remains of over 100 young Anglo-Saxon men are found under a planned car park in Hampshire. (S1, ep 3) 2026-05-18 Alaska: A powerful earthquake in 2018 seemed to lead to an increase in UFO sightings in Alaska - but why? Do the extra terrestrials have something to protect here? (S1, ep 3) 2026-05-18 Henry VIII: Uncover haunting factors and new evidence, possibly leading to fresh verdicts for these enigmatic men. (S1, ep 1) 2026-05-18 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) 2026-05-18 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) 2026-05-18 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) 2026-05-18 Call To Duty: The story of the World War II aircraft carrier USS Enterprise. Join her as she sets sail in the Pacific on a mission to sink enemy submarines. (S1, ep 1) 2026-05-18 Democracy Without Democrats 1929-1933: A protest turns into a racist and anti-Jewish movement during the 1920s and the NSDAP use emotions to gain the loyalty of the people. (S1, ep 3) 2026-05-18 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) 2026-05-18 America's Alien Wars: Startling evidence suggests the US military has been under attack from aliens for 50 years. Could they be keeping such a huge secret from the public? (S1, ep 15) 2026-05-18 Time Travel: Could the ability to travel through time be real? Experts unseal new evidence suggesting this phenomenon of science fiction might not be as far-fetched as it seems. (S1, ep 16) 2026-05-18 Who's Got Game?: In this round, the competitors are tasked with creating a special piece that reflects the hurdles they have overcome in their respective pasts. (S2, ep 7) 2026-05-18 Runway Walk: In this round, the competitors are challenged with creating an intricately crafted accessory for a high fashion look. (S2, ep 8) 2026-05-18 Return of the Gobekli Tepe: Experts examine the megalithic complex of Gobekli Tepe, and ask if such an advanced structure could possibly have been built by humans alone. (S10, ep 15) 2026-05-18 Da Vinci's Forbidden Codes: Researchers claim hidden messages can be found within the works of Leonardo da Vinci that may reveal an extraterrestrial influence. (S11, ep 2) 2026-05-18 Ranged Weapons: International experts demonstrate in experiments the most important ranged weapons in history, including the Roman spear, the English long bow and the minié ball. (S1, ep 1) 2026-05-18 Germany invades Poland, sparking global war: Japan expands in Asia and Africa's colonies become key battlegrounds for power and resources. (S1, ep 1) 2026-05-18 The Gang Code: Experts reveal the highly encrypted phones that criminal gangs use to stay under the radar, and explain how the police are turning the phones against the crooks. (S1, ep 5) 2026-05-18 Return of the Gobekli Tepe: Experts examine the megalithic complex of Gobekli Tepe, and ask if such an advanced structure could possibly have been built by humans alone. (S10, ep 15) 2026-05-18 Da Vinci's Forbidden Codes: Researchers claim hidden messages can be found within the works of Leonardo da Vinci that may reveal an extraterrestrial influence. (S11, ep 2) 2026-05-18 A Roman Mystery And Waterloo's Disappearing Dead: Roberts uncovers East of England's top finds, including a Roman dodecahedron, Boudicca's fort and Waterloo's lost dead. (S11, ep 4) 2026-05-18 3000-Year-Old Shoes and Giant Axeheads: Discoveries in southern England reveal Britain's oldest shoe, a forgotten warrior king's shipyard and hidden World War II defences. (S11, ep 5) 2026-05-18 Forgotten Fortresses And Lost Villages: Digs in western Britain uncover a forgotten fortress and a shocking discovery hidden beneath a Roman mosaic. (S11, ep 6) 2026-05-18 The Romans: An awe-inspiring year of archaeological digs with Dr Alice Roberts. Roman finds include an amazing coin hoard and a man buried on a pile of dead animals. (S1, ep 1) 2026-05-18 Prehistory: Humans are found to have lived in Britain earlier than thought when tools are unearthed in Norfolk, while some of our ancestors' customs are revealed at another dig. (S1, ep 2) 2026-05-19 Hairy Serpents, South Pole Nazis and the Horrible Blob: What is this serpent-like creature caught on camera? And did the Nazis once colonise the South Pole? (S3, ep 16) 2026-05-19 Germany invades Poland, sparking global war: Japan expands in Asia and Africa's colonies become key battlegrounds for power and resources. (S1, ep 1) 2026-05-19 Urban Jungles: In the absence of humanity, the world's most iconic cities are reclaimed by nature, as animals roam free and fire and flood centuries of construction. (S3, ep 3) 2026-05-19 Infrared Ufo Attack, Human Bear and Underwater Crop Circles: Did a UFO follow two researchers home from an investigation and how did a bear learn to act like a human? (S5, ep 2) 2026-05-19 Whale Eats Kayakers, Trucks vs Trains, Flames & Cranes & Historic Eiffel Tower Jump: A worker is trapped on a burning building's ledge and kayakers are swallowed by a whale. (S1, ep 3) 2026-05-19 Return of the Gobekli Tepe: Experts examine the megalithic complex of Gobekli Tepe, and ask if such an advanced structure could possibly have been built by humans alone. (S10, ep 15) 2026-05-19 Da Vinci's Forbidden Codes: Researchers claim hidden messages can be found within the works of Leonardo da Vinci that may reveal an extraterrestrial influence. (S11, ep 2) 2026-05-19 USOs: The team use high-tech sidescan sonar and deep sea magnetometers to search for evidence after learning of an encounter with an underwater phenomenon. (S1, ep 2) 2026-05-19 The Battle of Killiecrankie: The team find evidence from one of Scotland's bloodiest eras as they wade through the waters of the River Garry in the stunning Scottish Highlands. (S2, ep 1) 2026-05-19 A Roman Mystery And Waterloo's Disappearing Dead: Roberts uncovers East of England's top finds, including a Roman dodecahedron, Boudicca's fort and Waterloo's lost dead. (S11, ep 4) 2026-05-19 Finger of Death: A grim discovery in a Swedish lake reveals shocking ancient practices. Meanwhile, in the Canadian Arctic, the fossil of a previously unknown mammal is found. (S3, ep 1) 2026-05-19 Canoe Conundrum: On the hunt for classic old Canadian canoes, Scott and Sheldon find themselves up the creek without a paddle. Later, they're forced to haggle with a smart teen. (S2, ep 4) 2026-05-19 The UFO Conspiracy: Following a 2017 public disclosure of secret government UFO investigations, are we any closer to proving there has been a UFO conspiracy? (S11, ep 1) 2026-05-19 Attack from Above: Experiments reveal the secret of weapons that became key to aerial warfare, from incendiary arrows to bomb attacks. What will the next advancement be? (S1, ep 2) 2026-05-19 In 1941, Hitler invaded the USSR. Operation Barbarossa stalls as winter hits and Soviet resistance, fuelled by propaganda, turns the tide. (S1, ep 2) 2026-05-19 The Lost Civilization: Decoding a lost civilization reveals the monumental challenge undertaken by some of the academic world's most brilliant minds. (S1, ep 4) 2026-05-19 The UFO Conspiracy: Following a 2017 public disclosure of secret government UFO investigations, are we any closer to proving there has been a UFO conspiracy? (S11, ep 1) 2026-05-19 Rise of the Bomber: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (1 of 6) 2026-05-19 War Without Boundaries: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (2 of 6) 2026-05-19 The Means to Victory: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (3 of 6) 2026-05-19 The World at War: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (4 of 6) 2026-05-19 By Night & By Day: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (5 of 6) 2026-05-20