Sky History 2 HD Monday

A weather balloon said to have outside Roswell in 1947, which may have actually been alien in nature

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

A look at the locations of stargate portals around the world, which some people believe to be doorways to wormholes in time

An insight into the secrets surrounding the 10 biggest and most mysterious conspiracies in history, including the goings-on at Area 51

In 2012, the search of a Munich flat owned by elderly recluse Cornelius Gurlitt uncovered a stash of lost art linked to his father, the man known as 'Hitler's Art Dealer'

An insight into secret Nazi attempts to turn the tide of war as Berlin crumbled

The top 10 alien disasters - from a flying monster at a nuclear incident, a meteor that wiped out the dinosaurs and a deadly virus

The cases of people who have reported being abducted by aliens. They even include one-time Republic of Kalmykia president, Kirsan Ilyumzhinov

In September 1939 German forces invaded Poland as four Luftwaffe bomber groups attacked Warsaw. The bomber aircraft would dominate the skies throughout the Second World War

The German attack on Warsaw in September 1939. Withing a week, much of the Polish capital was in ruins

The actor is joined by astrophysicist Sarah Cruddas to scrutinise an 2016 event in the village of Pentyrch, south Wales involving a vast triangular UFO and the RAF

The history of the US presidency, hosted by the man who filled the role from 1993 to 2001. Bill looks at racism, revealing it to be a persistent issue in America

The hunt for treasures lost in time. The onset of a violent storm announced the discovery of the largest Anglo-Saxon hoard ever uncovered in Staffordshire

The Industrial Revolution changed it all when it came to cannons, as they evolved from wholly inaccurate and immobile to deadly killing machines

Professor Alice Roberts follows archaeologists as they unearth Britain's most spectacular iron-age grave, a chariot burial in East Yorkshire

Alice Roberts explores the UK's past through the stories of its towns, beginning with Chester, examining its Roman heritage by delving into the town's history

An outlandish murder plot to kill Irish down-and-out Michael Malloy in order to claim on his life insurance. Each attempt failed as the mark's luck endured

An investigation into the secrets of ancient civilisations and their approach to death. This episode features a mysterious well filled with bones

Part one of two. Professor Alice Roberts revisits the death of King Charles II, calling upon the skills of forensic pathologist Dr Brett Lockyer to paint in the detail

The top 10 alien disasters - from a flying monster at a nuclear incident, a meteor that wiped out the dinosaurs and a deadly virus

The cases of people who have reported being abducted by aliens. They even include one-time Republic of Kalmykia president, Kirsan Ilyumzhinov

Professor Alice Roberts follows archaeologists as they unearth Britain's most spectacular iron-age grave, a chariot burial in East Yorkshire

Liza Tarbuck tackles the national obsession with all things weather-related, visiting the Greenwich Maritime Museum and a deserted forest, and meeting an Earth mother

A look at how each Axis Power had troubles on their own home front, leading to disaster in the final days of the Second World War

Space journalist Sarah Cruddas joins Craig to investigate a spectacular mass UFO sighting over the city of Phoenix, Arizona, in 1997