Sky History 2 Sunday

The programme contemplates the possibility of the first astronauts reaching Mars in the next 20 years, and wonders if there is evidence to suggest human life was first seeded there

Ancient astronaut theorists who suggest that aliens have been guiding mankind in secret to bring about huge leaps in technological advancement

Musketoon Operation, a daring, commando raid on a German-held electricity generating station at Glomfjord in Norway, carried out by British and Norwegian commandos in 1942

Operation Raincoat, a 1943 mission conducted in Italy to break through the German defence line and open the way to and liberate Rome

Recounting how on the outskirts of Bouerat Harbor in Libya, a small group of British special forces made plans to destroy a crucial German fuel depot

Dan Jones explores the history of the Welsh capital's landmark, Cardiff Castle, and discovers more about its various incarnations over the centuries

Hugh Dennis and a team of expert archaeologists are in the market town of Masham in North Yorkshire, hoping to find a Viking burial ground hidden underneath

Hugh Dennis and the team of expert archaeologists unearth William the Conqueror's lost Priory hidden beneath the neighbourhood lawns of Lenton in Nottingham

In 1969, the US government officially announced it would stop investigating UFOs. However, declassified documents seem to tell another story

Considering why the space race stopped at the moon and whether there any truth to rumours of a secret Space Force developed by America for missions beyond Earth's orbit

Examining the 10 most disturbing extraterrestrial encounters ever, from mass sightings in the sky to reports of alien probes found in human bodies

Investigating whether aliens could be plotting an attack on Earth, and if humans could survive their weapons' terrifying capabilities

A mission to take out four German howitzers about to assault Utah Beach during the Normandy landings, carried out by US paratroopers from Easy Company, the 101st Airborne Division

Detailing how an elite group of British paratroopers managed to launch a midnight raid in order to capture Hitler's unusual radar equipment

Dan Jones explores the history of York Castle, built on the orders of William the Conqueror and once the regional seat of British government

Dan Jones explores the history of Leeds Castle in Kent, from its origins as a royal Saxon family's manor to its current ownership by a specially created charity

Examining what would happen to the food industry in mankind's absence, with supermarkets becoming overrun by rodents and insects, and some foods lasting for ever

Ross sees just how prevalent cocaine is in Colombia as he joins an army raid. He also meets the son of Gilberto Rodriguez - a founder of the Cali Cartel

Recreating the city of Tortosa and Jerusalem's Temple Mount to reveal the secrets of the warrior monks the Knights Templar

The programme contemplates the possibility of the first astronauts reaching Mars in the next 20 years, and wonders if there is evidence to suggest human life was first seeded there

Ancient astronaut theorists who suggest that aliens have been guiding mankind in secret to bring about huge leaps in technological advancement

A deadly discovery hiding under one of America's most national parks, a Nazi era weapon sunk off the coast of New Jersey and a blood thirsty predator found in Canada

The actor explores ancient technologies seemingly too advanced for their eras are examined

Operation Raincoat, a 1943 mission conducted in Italy to break through the German defence line and open the way to and liberate Rome

Garth Barnard investigates the Turweston Wellington Collision of July 8, 1944, when two bombers collided killing 13 soldiers, before the war for them had even begun

Infantryman Rockie Blunt witnesses one of the greatest tragedies of the war - the concentration camps, just before the Nazis finally surrender