Sky History2 The Mystery of Puma Punku. Experts in the extra-terrestrial examine the Inca ruin and its mysteriously intricate carved blocks. (S1, ep 5) 2026-04-16 Wooly Mammoth Sighting, Ohio Bigfoot Howl and Killer Robot: Did a filmmaker capture a mammoth crossing a Siberian river? Tony Harris examines clues to determine its validity. (S4, ep 14) 2026-04-16 Leopard Tiger: The Leopard 2 is probably the best all-around Main Battle Tank today, combining great mobility, a superior gun and excellent protection. (S1, ep 8) 2026-04-16 Avenger: Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history. (S3, ep 1) 2026-04-16 Fire Ship of Northumberland Strait: With 3D recreations of the wreck, discover the story of the ship said to have sailed ablaze within the Northumberland Strait. (S1, ep 2) 2026-04-16 The Puppet Master: With Roman rulers now at the mercy of the barbarians, three Roman generals compete to become emperor - but one's savage strategy comes out on top. (S1, ep 12) 2026-04-16 Aliens Among Us: Are we being watched by otherworldly beings? Experts make surprising discoveries as they explore the ancient past for evidence of alien overseers. (S7, ep 4) 2026-04-16 Aliens B.C: Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology. (S8, ep 2) 2026-04-16 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) 2026-04-16 Nazi Menace: The quest continues in the Red Sea, a deeply personal journey given Ross' grandfather fought in the North Africa campaign during WWII. (S1, ep 3) 2026-04-16 Vindolanda And WWII Spitfire: The team search for remains of the crashed WWII Spitfire and discover parts of the cockpit. (1 of 4) 2026-04-16 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) 2026-04-16 Hurst So Good: A crusty old Pontiac Silver Streak must be taken from rags to riches, while an extremely rare but rusted Chrysler 300 Hurst needs an extensive polish and shine. (S1, ep 5) 2026-04-16 Rolls to Riches: A forgotten Rolls-Royce gets the royal treatment and becomes a rolling beauty once more, while a Ford pickup is resurrected after being hidden in a barn. (S1, ep 6) 2026-04-16 The Genius Factor: History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate. (S7, ep 5) 2026-04-16 NASA's Secret Agenda: Experts investigate whether rocket scientist Wernher von Braun might have found inspiration in technology found at the alleged UFO crash in Roswell. (S8, ep 3) 2026-04-16 In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal. (S1, ep 3) 2026-04-16 The race to develop the first atomic bomb was critical amid the struggle for WWII victory. Experts reveal new evidence behind Germany's top-secret development of nuclear weapons. (S1, ep 1) 2026-04-16 Ju52: Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history. (S3, ep 2) 2026-04-16 The Genius Factor: History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate. (S7, ep 5) 2026-04-16 NASA's Secret Agenda: Experts investigate whether rocket scientist Wernher von Braun might have found inspiration in technology found at the alleged UFO crash in Roswell. (S8, ep 3) 2026-04-16 Discover a massive tsunami hundreds of feet high that never touches land and an image from space may have revealed the location of the Garden of Eden. (S1, ep 1) 2026-04-16 Discover an island the size of Manhattan that vanishes without a trace and a lost city in the heart of the Amazonian jungle. (S1, ep 2) 2026-04-16 First seen from space in 1965, the Eye of the Sahara is a beautiful 25-mile structure, but how it formed remains a mystery. (S1, ep 3) 2026-04-16 NASA astronaut Mike Barratt describes photographing a strange ring in the ice on the world's oldest lake from the International Space Station. (S1, ep 4) 2026-04-16 A possible smoke screen over North Korea worries military analysts while an amateur archaeologist makes an extraordinary discovery. (S1, ep 4) 2026-04-17 Classic Ufo, Headless Zombie Fish and Crying Virgin Mary: Did an Italian reconnaissance pilot capture genuine UFO photos in 1979? (S4, ep 15) 2026-04-17 The race to develop the first atomic bomb was critical amid the struggle for WWII victory. Experts reveal new evidence behind Germany's top-secret development of nuclear weapons. (S1, ep 1) 2026-04-17 Ju52: Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history. (S3, ep 2) 2026-04-17 X-Rated: This episode delves into the truth behind the rumours of Hitler's sex life, including whispers of homosexuality, voyeurism and sadomasochism. (1 of 4) 2026-04-17 Nazi She-Devil: Explore how women were active, often violent participants in the war and its atrocities - especially during the holocaust. (S1, ep 2) 2026-04-17 The Genius Factor: History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate. (S7, ep 5) 2026-04-17 NASA's Secret Agenda: Experts investigate whether rocket scientist Wernher von Braun might have found inspiration in technology found at the alleged UFO crash in Roswell. (S8, ep 3) 2026-04-17 Sedona: With all the activity that's been recorded here, Sedona seemingly doubles as an intergalactic airport - but what is drawing UFOs to this spot? (S1, ep 4) 2026-04-17 ...Treasure Hunter. D-Day: Ross goes in search of wrecks that help tell the story of D-Day and discovers that winning wasn't just a case of superior power, but also ingenuity. (S1, ep 4) 2026-04-17 Roman Bathhouse and Hessian Camp: Alice Roberts shares archaeological discoveries from the west of the UK, including a Roman bath house and a German camp. (2 of 4) 2026-04-17 Lost at Sea: Witness a remote island linked to one of the world's most famous aviation mysteries and explore thousands of shipwrecks in the Bermuda Triangle. (S1, ep 9) 2026-04-17 Nasty: A maggot-infested pickup crawls into the shop and rises from the dead before a vandalised Mercedes arrives on the scene. (S1, ep 7) 2026-04-17 Boss for a Day: In North Carolina, Jaime lets Caleb take charge for the day. Meanwhile, in Minnesota, a beat up Chevy Impala gets all wrapped up and ready to roar. (S1, ep 8) 2026-04-17 Secrets Of The Mummies: Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth? (S7, ep 6) 2026-04-17 Dark Forces: From Rasputin to the Nazis, many people throughout history are thought to have tapped into dark powers. Could they have been connecting with extraterrestrials? (S8, ep 4) 2026-04-17 In 1944, D-Day pierces the Atlantic Wall, as Operation Bagration crushes the Wehrmacht in the East. The fall of the Third Reich begins. (S1, ep 4) 2026-04-17 In the final months of WWII, how close were the Nazis and Japan to creating the nuclear explosion that would win the war? Experts and historians examine the evidence. (S1, ep 2) 2026-04-17 P47: Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history. (S3, ep 3) 2026-04-17 Secrets Of The Mummies: Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth? (S7, ep 6) 2026-04-17 Dark Forces: From Rasputin to the Nazis, many people throughout history are thought to have tapped into dark powers. Could they have been connecting with extraterrestrials? (S8, ep 4) 2026-04-17 The Seeds of Violence 1918-1922: 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. (S1, ep 1) 2026-04-17 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) 2026-04-17 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) 2026-04-17 The Racial State 1933-1934: President Hindenburg suspends freedom of speech and Hitler comes to power in 1933. The first concentration camps for political opponents are set up. (S1, ep 4) 2026-04-17 Hidden In Plain Sight 1935-1938: In 1934, Hitler's government is firmly in the saddle. Most Germans support Hitler's anti-Jewish policy and the regime's terror soon escalates. (S1, ep 5) 2026-04-18