Sky History2

The Stone Ball, the Electrocution Belt and the Cat Mummy that Wasn't: Uncovering the mystery of an ancient stone object with unique markings and a cat mummy with no cat inside.

The Skull that Changed Science, the Bat Bomb and the Stone Age Multitool: Investigating how a skull changed neuroscience and asking if World War II could have been won by a bat.

Experts investigate evidence suggesting that aliens have created the means for controlling humanity. They find that the shocking truth might be hidden right inside you.

Could Hitler's crazed quest for world domination have been influenced by aliens? Experts reveal the extraterrestrial secret Hitler may have been hiding and where it is now.

In 2008, a shadow was cast over Stephenville, Texas, when a UFO passed overhead at supersonic speed. Craig and Sarah speak to an eyewitness and investigate.

In 2017, astronomers observed the very first visitor from interstellar space, 'Oumuamua'. Craig and Sarah speak with SETI scientists regarding its origin.

Andy explores an ancient cavern, takes a tour of Dartmoor's prison museum and uncovers the legend behind Arthur Conan Doyle's 'The Hound of the Baskervilles'.

Stirling has long been one of the most strategically important castles in Britain. Dan Jones examines the rich and savage history of this stronghold.

Discover strange markings in the remote region of Northern Finland and reveal secrets found deep in the Antarctic.

Visit Italy's most fascinating ghost town, learn about an edible bird nest in Malaysia and explore the Bollate Prison. Plus, check out a structure dubbed the Dr Seuss House.

Time Traveller, American Stonehenge, Plant Perception: Check out mind-reading plants, pagan human sacrifice and Californian time travellers.

In 1977, schoolchildren spot a cigar-shaped aircraft in Wales. The sighting transforms the quiet seaside town into a UFO hot spot.

Residents of a village reported seeing a statue of the Virgin Mary move, but some believe the phenomenon was just an optical illusion or a prank.

Experts unseal the truth about the potential aliens living and working among us. Who has come in peace? And who has a more sinister motive in mind.

Experts investigate the mystery of the Solway Firth Spaceman - a spacesuit-clad figure who strangely appeared in a photograph taken in Cumbria.

Delve into the incredible collection of UFO stories of first-hand witnesses, from flying saucers to strange encounters in sugar cane fields.

A couple spot a huge blimp-shaped craft hovering over Michigan's Lake Erie in 1988. In 1963, two sisters and their housekeeper report being knocked down by a UFO emitting flames.

Two cousins encounter a "mothership" three times the size of a football stadium in 1996. In 1967, guards at an air force base in Montana spot a UFO and all hell breaks loose.

Andy searches for dragons in Somerset, visits the grave of Arthur and Guinevere and tests the healing waters of a spring once used to wash the Holy Grail.

Dan visits one of Northern Ireland's oldest castles, Carrickfergus, to learn more about the tempestuous relationship between Britain and Ireland.

When satellites spot anomalies in the unexplored Amazonian jungle, experts wonder if they've discovered relics of a lost civilisation.

Discover strange markings in the remote region of Northern Finland and reveal secrets found deep in the Antarctic.

Visit Italy's most fascinating ghost town, learn about an edible bird nest in Malaysia and explore the Bollate Prison. Plus, check out a structure dubbed the Dr Seuss House.

Time Traveller, American Stonehenge, Plant Perception: Check out mind-reading plants, pagan human sacrifice and Californian time travellers.

Experts investigate if a mysterious caller had inside knowledge about the assassination of President John F Kennedy.

Experts investigate why religious apparitions appear on seemingly normal objects to seemingly normal people. Is it blind faith or supernatural phenomena.

When satellites spot anomalies in the unexplored Amazonian jungle, experts wonder if they've discovered relics of a lost civilisation.

A powerful earthquake in 2018 seemed to lead to an increase in UFO sightings in Alaska - but why? Do the extra terrestrials have something to protect here.

With all the activity that's been recorded here, Sedona seemingly doubles as an intergalactic airport - but what is drawing UFOs to this spot.