Sky History 2 Saturday

Investigators find evidence suggesting that ancient aliens saved humanity from great floods

Experts explore the disappearance of civilisations throughout time and across the globe, wondering if clues left in their wake point to an otherwordly explanation

The story of one of the Viking longship. Its design evolved from swift war canoe to versatile and feared ship, changing the course of history

The vessels that operate in secret, unseen by their enemies, from secret missions that helped win the Second World War to modern stealth ships

How bad design, human error and the enemy sent great ships to tragic ends, such as Britain's K13 submarine and HMS Hood and Sweden's 17th-century Vasa

Alice Roberts reveals the history of Belfast, visiting the shipyards that built the Titanic and getting locked up in the notorious Crumlin Road gaol

Alice Roberts explores the Second World War history of Dover, visiting the base where the Dunkirk evacuation was planned and getting a taste of the Battle of Britain

Alice Roberts explores the Georgian era in Bristol, taking a horse-drawn carriage ride, sampling backstreet gin, and discovering the story of the world's first chocolate factory

How the US Air Force and US intelligence services manipulated beliefs about UFOs and extraterrestrial visits as useful cover for their counter-intelligence programmes

The Second World War Battle of Leyte Gulf, which saw three days of ingenious strategy and white-knuckle combat between warships, aircraft and kamikazes

The evolution of amphibious assault crafts, including the restoration and story of Britain's last surviving LCT 7074 landing craft, designed to carry six Churchill tanks

Professor Alice Roberts explores the story of Stewart Britain by visiting Stirling, and joins a team of archaeologists in uncovering remnants of the docks

Professor Alice Roberts explores the medieval history of Lincoln, visiting the cathedral that was once the world's tallest building

Professor Alice Roberts visits Portsmouth to investigate the history of the Royal Navy, uncovering some uncomfortable truths behind the myth surrounding Lord Horatio Nelson

The history of The Chicago Outfit, also known as the Chicago Mafia or the South Side Gang, which rose to power in the 1920s under Johnny Torrio and Al Capone

A look at the Aryan Brotherhood, a neo-Nazi prison gang considered one of the deadliest in the United States. It was founded in 1964 and remains active

The experiences of Charles 'Peewee' Goldsmith, a kickboxing heavyweight who joined the Angels, only for them to turn against him

The mysteries of the Aztecs, who built one of the world's most powerful and feared empires

How, across the globe, reports of mysterious glowing orbs are on the rise. Their origin and purpose remain unknown, raising questions about potential extraterrestrial contact

Professor Alice Roberts explores the story of Stewart Britain by visiting Stirling, and joins a team of archaeologists in uncovering remnants of the docks

Professor Alice Roberts explores the medieval history of Lincoln, visiting the cathedral that was once the world's tallest building

The story of one of the Viking longship. Its design evolved from swift war canoe to versatile and feared ship, changing the course of history

The vessels that operate in secret, unseen by their enemies, from secret missions that helped win the Second World War to modern stealth ships

How bad design, human error and the enemy sent great ships to tragic ends, such as Britain's K13 submarine and HMS Hood and Sweden's 17th-century Vasa

The mysteries of the Aztecs, who built one of the world's most powerful and feared empires