Sky History 2 Friday

Experts investigate the similarities in burial tombs from distant cultures, and question whether aliens could have influenced their complicated designs

Investigations into whether prophets such as Elijah and Joseph Smith communicated with a heavenly source, or came into contact with extraterrestrials

Stories of hospital ships and those who served on them, including the tragic story of the sinking of the Titanic's sister vessel, The Britannic

Although it seemed like the biggest names in the Nazi Germany hierarchy were working together, behind the scenes nepotism and corruption led to their downfall

Satellite images capture thousands of straight lines, covering thousands of square miles, etched out of the Bolivian desert over thousands of years

Experts investigate the similarities in burial tombs from distant cultures, and question whether aliens could have influenced their complicated designs

Investigations into whether prophets such as Elijah and Joseph Smith communicated with a heavenly source, or came into contact with extraterrestrials

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

Tony Robinson sets off on a 45-mile hike through the countryside of the Weald in Kent and the Downs of East Sussex to discover the area's rich and surprising Tudor heritage

Although it seemed like the biggest names in the Nazi Germany hierarchy were working together, behind the scenes nepotism and corruption led to their downfall

The second of a two-part documentary lifting the lid on the secret events surrounding the Russian submarine K-129, aka Red October, which went missing in 1968

Tony Harris and his team look at whether ISS images signify an imminent alien invasion and whether kayakers in Washington encountered a lake monster - or something even worse

Documentary exploring alien-like metal monsters coming from the sea, a war between 30 million crabs and an army of killer ants

The events of 2017, when astronomers at the Pan-STARRS observatory saw an object they named Oumuamua, the very first observed visitor from interstellar space

All over the world, there are places and objects that are thought to be cursed. Many people avoid these locations and things, believing they will bring harm

The veteran actor looks at the visions of mystics, prophets and clairvoyants throughout history, examining what their prophecies reveal and what predictions offered for the future

A look through some of Nostradamus's predictions, asking whether a Frenchman living in the 16th century could predict so many modern-day disasters, from 9/11 and tsunamis to Ebola

Experts investigate the similarities in burial tombs from distant cultures, and question whether aliens could have influenced their complicated designs

Investigations into whether prophets such as Elijah and Joseph Smith communicated with a heavenly source, or came into contact with extraterrestrials

Professor Alice Roberts is in Glasgow to investigate the impact of steam power on major towns in the 18th and 19th centuries, and learns about the arrival of migrant workers

Tony Robinson embarks on a towpath exploration of industrial engineering along the Leeds and Liverpool Canal, tracing the story of its chaotic construction

A man who survived being struck by lightning six times and a toddler who was literally frozen solid and thawed out again without injury

Tony Harris and his team look at whether ISS images signify an imminent alien invasion and whether kayakers in Washington encountered a lake monster - or something even worse