Sky History 2 Thursday

Investigators find evidence suggesting that ancient aliens saved humanity from great floods

Experts explore the disappearance of civilisations throughout time and across the globe, wondering if clues left in their wake point to an otherwordly explanation

The unexplained loss of 117 English men, women and children who came ashore on Roanoke Island in 1587 to establish a permanent English settlement in the New World

A CGI reconstruction of the Second World War battle of Santa Cruz, in which the USS Hornet was sunk and her sister ship the USS Enterprise suffered heavy casualties among the crew

The mysterious Arizona desert cypher, the lair of the war elephant and a trip to a 'zombie' village

Investigators find evidence suggesting that ancient aliens saved humanity from great floods

Experts explore the disappearance of civilisations throughout time and across the globe, wondering if clues left in their wake point to an otherwordly explanation

Beau Ouimette, Rick Edwards and Gary Bankhead search the River Nidd and River Swale for weaponry from the battles in 1318 and 1319 between the English and the Scots

Andy McGrath explores Wiltshire's mysterious megaliths and barrows, attends a druidic ceremony and encounters a religious pilgrimage at the site of a freshly made crop circle

After thriving for three centuries, the Celts turned from traders into proven warriors, weapon-masters and metal artists in a time that became their golden age

A CGI reconstruction of the Second World War battle of Santa Cruz, in which the USS Hornet was sunk and her sister ship the USS Enterprise suffered heavy casualties among the crew

A photograph of a UFO hovering over Holloman Air Force Base in New Mexico and a cabin built in a supposedly anomalous spot that defies gravity in the Redwood Forests

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

The January 2008 mass UFO sightings between Fort Worth, Texas and Houston, with focus on the nearby town of Stephenville, Texas

An exploration of the ancient Egyptian obsession with death and the afterlife, including the secrets behind Egyptians' worship of the pyramid shape

From ancient times through the modern day, brutal games thrill both players and spectators. This programme explores the origins of history's deadliest games

The unexplained loss of 117 English men, women and children who came ashore on Roanoke Island in 1587 to establish a permanent English settlement in the New World

Archaeologists examine new evidence uncovered in Turkey that may reveal more about the notorious tale of the Trojans

Investigators find evidence suggesting that ancient aliens saved humanity from great floods

Experts explore the disappearance of civilisations throughout time and across the globe, wondering if clues left in their wake point to an otherwordly explanation

Beau Ouimette, Rick Edwards and Gary Bankhead search the River Nidd and River Swale for weaponry from the battles in 1318 and 1319 between the English and the Scots

Andy McGrath heads to Scotland, learning about a terrifying family of cannibals who used to prey upon weary travellers, and the prehistoric origins of the Loch Ness monster

The January 2008 mass UFO sightings between Fort Worth, Texas and Houston, with focus on the nearby town of Stephenville, Texas

A photograph of a UFO hovering over Holloman Air Force Base in New Mexico and a cabin built in a supposedly anomalous spot that defies gravity in the Redwood Forests