SkyHistory2HD UFOs: The team examine incidents of alleged conflicts between the US Air Force and the RAF, and asking whether these encounters have been covered up. 2026-05-30 Uncover the turmoil of 12th-century Ireland, where Kings vie for supremacy and powerful people drive a rival into exile - who then seeks help from Henry II. (1 of. 2026-05-30 Follow the course of the invasion as Strongbow wins victory after victory, while Henry II arrives to take control of Ireland and grants land to settlers from Britain. (2 of. 2026-05-30 A giant naval vessel is located on the bottom of the Norwegian Sea, while an ancient reptile-like creature is found in Canada. 2026-05-30 Scott and Sheldon venture into cowboy country, meeting a collector of 40s-60s cowboy movie and TV memorabilia. 2026-05-30 Theorists investigate a depiction of a stegosaurus found at Angkor Wat in Cambodia. Could it suggest that alien species killed off the dinosaurs. 2026-05-30 No one knows who designed and built Bolivia's sophisticated temple complex. Could it have been aliens? Experts investigate. 2026-05-30 Discover WWII's most daring breakout stories of courage and cunning: Colditz Castle, The Great Escape and the bold Warburg Wire Job. 2026-05-30 The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (1 of. 2026-05-30 The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (2 of. 2026-05-30 For more than 260 years, HMS Invincible lay at the bottom of the Solent. Now, archaeologists are diving beneath the waves to learn more about this game-changing ship. 2026-05-30 Archaeologists conduct a dig at Auckland Castle in Co Durham, which 700 years ago was home to a group of power-crazed bishops. 2026-05-30 The team search for artefacts from the country's first superhighway - the Bridgewater Canal. 2026-05-30 Theorists investigate a depiction of a stegosaurus found at Angkor Wat in Cambodia. Could it suggest that alien species killed off the dinosaurs. 2026-05-30 No one knows who designed and built Bolivia's sophisticated temple complex. Could it have been aliens? Experts investigate. 2026-05-30 Exploring the Cold War vessels that played pivotal roles in events such as the blockade of Cuba and the Vietnam war. 2026-05-30 Learn how Lawrence of Arabia used guerilla warfare against the Ottoman Empire's railways. Also, what secrets lie under New York's Grand Central Station. 2026-05-30 Machines that would have been used had a stand-off resulted in all-out nuclear war, from the smallest tactical nuke to an experimental flying jeep. 2026-05-30 Egyptian royals in the Valley of Kings promise turmoil for anyone who dares to disturb their eternal rest. 2026-05-30 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. 2026-05-30 Explore mysterious secrets hidden in tunnels, caves and burial sites, from lost treasures to ancient manuscripts behind walls. 2026-05-30 Earth remains a mystery to the billions of people on it. How did it come to exist? And how long will humans call it 'home'. 2026-05-30 Theorists investigate a depiction of a stegosaurus found at Angkor Wat in Cambodia. Could it suggest that alien species killed off the dinosaurs. 2026-05-30 No one knows who designed and built Bolivia's sophisticated temple complex. Could it have been aliens? Experts investigate. 2026-05-30 With all the activity that's been recorded here, Sedona seemingly doubles as an intergalactic airport - but what is drawing UFOs to this spot. 2026-05-31 At the end of 1939, the German Army invades Poland. Examine how Hitler succeeded in pushing through his rearmament and war plans relatively unhindered. 2026-05-31 Machines that would have been used had a stand-off resulted in all-out nuclear war, from the smallest tactical nuke to an experimental flying jeep. 2026-05-31 Exploring the impact of the Battle of Hastings in 1066, Karl and Kevin continue their look at how weapons and body armour developed. 2026-05-31 Discover over a hundred massive concrete arrows scattered across America, a mysterious hole in the middle of a lake in Southern California and more. 2026-05-31 Experts question ancient civilisations' fixation with the Orion constellation. Could this star group have been an entry point for aliens visiting Earth. 2026-05-31 Experts question the startling similarities in burial tombs from distant cultures, asking if aliens could have influenced their complicated designs. 2026-05-31 A daring dash through Nazi Europe, a deadly mountain escape and WWII's largest breakout, by men who chose death over dishonour. 2026-05-31 The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (3 of. 2026-05-31 The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (4 of. 2026-05-31 Uncovering the stories behind a Yorkshire garrison's stables and the horse the Germans could not kill. 2026-05-31 Uncover the turmoil of 12th-century Ireland, where Kings vie for supremacy and powerful people drive a rival into exile - who then seeks help from Henry II. (1 of. 2026-05-31 Follow the course of the invasion as Strongbow wins victory after victory, while Henry II arrives to take control of Ireland and grants land to settlers from Britain. (2 of. 2026-05-31 Experts question ancient civilisations' fixation with the Orion constellation. Could this star group have been an entry point for aliens visiting Earth. 2026-05-31 Experts question the startling similarities in burial tombs from distant cultures, asking if aliens could have influenced their complicated designs. 2026-05-31 Uncover the secrets of the Holy Sepulchre, the sacred Christian site built in the same spot as the death and resurrection of Jesus. 2026-05-31 A walk through the iconic mausoleum complex, located in India and commissioned in 1632 by the Mughal emperor Shah Jahan to house the remains of his beloved wife. 2026-05-31 The USS Enterprise is the only battle-ready American carrier in the Pacific. For her crew, the war has never been more personal when the Japanese attack. 2026-05-31 Scotty Moore travels to the northern coast of Peru, where archaeologists have discovered a teenage girl buried in a strange place just outside an empty tomb. 2026-05-31 What is it about this barren land that is attracting alien attention? Is it the sensation of otherworldliness making it feel like home. 2026-05-31 Explore the stories of six formidable rulers, revealing their dark legacies and the impact they've had on history. 2026-05-31 This is the true story of how the German police were caught in a race against time to catch a depraved and psychotic killer. 2026-05-31 Experts question ancient civilisations' fixation with the Orion constellation. Could this star group have been an entry point for aliens visiting Earth. 2026-05-31 Experts question the startling similarities in burial tombs from distant cultures, asking if aliens could have influenced their complicated designs. 2026-05-31 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. 2026-06-01