Sky History 2 Friday

Experts investigate ancient man's apparent obsession with building pyramids, and consider whether extraterrestrials may have helped with their construction

Ancient alien therorists investigate evidence suggesting that extraterrestrials have played a pivotal role in the progress of mankind

The popular theories behind the Phoenix Lights, a series of widely sighted UFOs observed in Arizona and Nevada back in 1997

The Japanese attack on the USS Enterprise, which came at a point in the Second World War when the vessel was the only battle-ready American carrier left in the Pacific

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

Experts investigate ancient man's apparent obsession with building pyramids, and consider whether extraterrestrials may have helped with their construction

Ancient alien therorists investigate evidence suggesting that extraterrestrials have played a pivotal role in the progress of mankind

Rick Edwards and Beau Ouimette investigate search for clues as to where Bonnie Prince Charlie crossed the River Nairn as he fled the Battle of Culloden in 1746

Andy McGrath receives basic military training at a Civil War re-enactment and embarks upon a hunt in the creepy surroundings of Littledean Jail with a paranormal researcher

A look at why the Celts moved from prosperous cities into smaller fortified settlements and how this triggered their decline in Central Europe

The Japanese attack on the USS Enterprise, which came at a point in the Second World War when the vessel was the only battle-ready American carrier left in the Pacific

A strange creature captured by a security camera in Ohio. The bizarre footage leaves residents and experts scratching their heads as they try to identify the mysterious beast

Investigating unusual patterns in an English field that could be an alien message, and a secret military facility in the Nevada desert

The team examines a declassified US Department of Defence report which analyses an alleged encounter between a fighter pilot and a UFO in May 1980

A farmer discovers a cow mysteriously mutilated, a man is repeatedly abducted from his bed, and an astronomer's telescope intercepts a mysterious message from outer space

The notion of life after death. In Britain, researchers conduct a series of groundbreaking séances, and in Haiti, the zombie phenomenon is investigated

The popular theories behind the Phoenix Lights, a series of widely sighted UFOs observed in Arizona and Nevada back in 1997

In the Midlands, a hospital advisor loves her new offices - until she feels a terrifying ghostly presence at night. In Tennessee, a lab technician sees a giant figure

Experts investigate ancient man's apparent obsession with building pyramids, and consider whether extraterrestrials may have helped with their construction

Ancient alien therorists investigate evidence suggesting that extraterrestrials have played a pivotal role in the progress of mankind

Rick Edwards and Beau Ouimette investigate search for clues as to where Bonnie Prince Charlie crossed the River Nairn as he fled the Battle of Culloden in 1746

In London, Andy McGrath visits Britain's oldest shop and the inspiration for Alice in Wonderland's Mad Hatter

The team examines a declassified US Department of Defence report which analyses an alleged encounter between a fighter pilot and a UFO in May 1980

A strange creature captured by a security camera in Ohio. The bizarre footage leaves residents and experts scratching their heads as they try to identify the mysterious beast