Sky History 2 TV Guide

In China, hundreds of strange discs discovered in a cave appeared to tell the story of an ancient extraterrestrial crash on Earth. Shortly after they were found, the disks were confiscated by the Chinese government and dismissed as a hoax

First-hand accounts from seasoned, decorated police officers who have had unbelievable but substantiated UFO encounters

Hugh Dennis and the team are in Odiham, Hampshire, searching for the house of Sir Frances Walsingham, the head of Elizabeth I's Secret Service. It is the first time the site has ever been dug, so with very little to go on, our team want to locate the house, work out its size and scale, and what Walsingham may have used it for. As part of the investigation, Hugh turns his hand to spy craft as he learns how Walsingham used to break codes

Archaeological treasures in the west of Britain, including a rare medieval cemetery, a disappearing Mesolithic landscape, a mysterious iron age burial, and the ruins of a gothic masterpiece. Presented by Alice Roberts

Jaw-dropping animal spectacles, as witnessed from high above the Earth. Examples include a whirling herd of northern nomads, undersea behemoths showing off in the Pacific shallows, a US porcine stampede and ocean predators on the Florida coast

The gang examines jukeboxes, toy cars, and antique vehicles. Plus, a Calgary barber and licence plate collector trims both his beard and his wallet for the Cash Cowboys

Experts investigate the work of Nasa and secret government files relating to extraterrestrial activity, looking for proof of alien contact in the recent or distant past

Experts explore the similarities between huge pyramids across the world, and hypothesise on whether extraterrestrials could have influenced their construction and design

Key events of the Second World War, beginning with Germany invading Poland, and touching on Japan's expansion in Asia. Plus, how Africa's colonies became key battlegrounds for power and resources

Assigned to the British War Crime Investigation Unit in post-war Germany, British intelligence officer Vera Atkins pursued her agents' fate at Natzweiler and Ravensbrück. Piecing together testimonies, she insisted on obtaining official records to substantiate her findings for upcoming trials. While Vera sought justice for her girls, a letter challenged her verdicts on Noor’s fate. Suspicions of double agents led Vera to hunt down a Nazi mastermind. She was still to determine whether any agents had escapeed, and if not who had betrayed them

The story of the Women's Royal Naval Service (WRNS) who helped take down Germany's fearsome U-boats. Though the Admiralty was convinced the Allies had the expertise to defeat Germany, Gilbert Roberts and the Wrens started devising wargaming tactics to combat U-boat formations. Narrated by Derek Jacobi

Alice Roberts heads to a farmer's field in Rutland to examine evidence of a Roman barn conversion, featuring a three-room spa, including underfloor and in-wall central heating. She also finds out about the excavation of one of Henry VIII's lost forts in Hull, and hears from a team that discovered stunning 10,000-year-old hunting tools near Scarborough

In Scotland and northern England, Alice Roberts investigates an Ice Age camp, a mysterious medieval skeleton and the earliest evidence of salt making in Britain

Alice Roberts joins archaeologists on digs of northern Britain, revealing a Roman Emperor's lost bath house, the sunken treasures of medieval pilgrims and a formidable fortress perched on top of a Scottish mountain

Experts investigate the work of Nasa and secret government files relating to extraterrestrial activity, looking for proof of alien contact in the recent or distant past

Experts explore the similarities between huge pyramids across the world, and hypothesise on whether extraterrestrials could have influenced their construction and design

The crucial role ships have played in international conflict over the past 500 years. This programme looks at early metal warships, and examines HMS Rattler's screw propeller in 1845 would lead to the revolutionary HMS Dreadnought in the 20th century

The story of the Great Locomotive Chase - an attempt by northern spies to steal steam locomotive The General during the American Civil War