Sky History 2 Saturday

From Egypt to Easter Island, towering figures built by ancient man stand watch over Earth - but do they depict visitors from another world?

New evidence reveals advanced civilisations might have existed on Earth thousands of years ago - is it possible that they lived with extraterrestrials?

In numerous ancient cultures, stories were told of ancestors from the Pleiades star cluster. This programme considers whether new scientific findings may reveal the truth

Alice Roberts explores Cardiff's Edwardian past, discovering how the coal industry transformed the Rhondda Valley and brought immigrants from across the world to Wales

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

Alice Roberts visits archaeological digs around the country, beginning with a Roman-themed edition focusing on the skeletons of 97 babies found beside the Thames

Alice Roberts explores archaeological digs at sites dating back to Viking times, examining signs of the earliest Norse settlers in the Outer Hebrides, and gold pieces found in York

Alice Roberts joins archaeologists in the North as they uncover Roman writing tablets, a lost monastery and a rare Bronze Age weapons hoard

Alice Roberts examines the disastrous final days of the Roman Empire, including the cataclysmic power vacuum following its collapse and the effects felt even beyond its borders

Alice Roberts explores the Norman period of British history in Winchester. She attempts to storm a castle wearing chain mail and investigates the origins of modern surgery

Alice Roberts explores Cardiff's Edwardian past, discovering how the coal industry transformed the Rhondda Valley and brought immigrants from across the world to Wales

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

Alice Roberts visits archaeological digs around the country, beginning with a Roman-themed edition focusing on the skeletons of 97 babies found beside the Thames

Alice Roberts explores archaeological digs at sites dating back to Viking times, examining signs of the earliest Norse settlers in the Outer Hebrides, and gold pieces found in York

Alice Roberts joins archaeologists in the North as they uncover Roman writing tablets, a lost monastery and a rare Bronze Age weapons hoard

Alice Roberts and Brett Lockyer examine the cause of death of George IV, an overweight monarch who enjoyed drinking, partying and spending money

Kevin embarks on a challenging dive in the Atlantic Ocean to explore a battleship that saved the Northern Navy in the American Civil War

The exploits of British criminal Alfie Hinds who, while serving a 12-year prison sentence for robbery, broke out of three high security prisons in the 1950s

From Egypt to Easter Island, towering figures built by ancient man stand watch over Earth - but do they depict visitors from another world?

New evidence reveals advanced civilisations might have existed on Earth thousands of years ago - is it possible that they lived with extraterrestrials?

In numerous ancient cultures, stories were told of ancestors from the Pleiades star cluster. This programme considers whether new scientific findings may reveal the truth

Alice Roberts and Brett Lockyer examine the cause of death of George IV, an overweight monarch who enjoyed drinking, partying and spending money

The latest recruit to join the team of 37 beefeaters begins his career with some testing exams, while the chief curator reveals the history of Anne Boleyn within the walls

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

In the Mojave Desert, there is a structure apparently built to bestow everlasting life. According to the architect, its blueprint is from another world