Sky History 2 Monday

The actor investigates evidence from recently declassified files to shine a light on what's really going on deep in the shadows

The presenter visits the monuments of Ancient Egypt in a bid to understand how such 'wonders of the ancient world' were built 4,500 years ago

The possible truth behind a pattern of UFO sightings near volcanos. Plus, the origin of the strange stone spheres of Costa Rica

The sighting of a UFO from the window seat of a passenger jet, a strange underwater discovery said to be a lost Japanese city and an odd series of tunnels in Brazil

Key events of the Second World War, beginning with Germany invading Poland, and touching on Japan's expansion in Asia

Events of 1941, when Hitler invaded the USSR. Plus, Operation Barbarossa stalled as winter hits and Soviet resistance - fuelled by propaganda - turned the tide

Compilation of the most compelling mysteries featured on the Ancient Aliens series

A countdown of the top 10 most interesting reported alien encounters

Tony Robinson embarks on a five-day expedition along Dorset's Jurassic coast to explore the county's role in protecting Britain from invasion during the Second World War

Alice Roberts visits digs in southern England that reveal a previously unknown Roman town, a Tudor ship and evidence of Henry VIII's financial forgery

The actor investigates evidence from recently declassified files to shine a light on what's really going on deep in the shadows

The presenter visits the monuments of Ancient Egypt in a bid to understand how such 'wonders of the ancient world' were built 4,500 years ago

The possible truth behind a pattern of UFO sightings near volcanos. Plus, the origin of the strange stone spheres of Costa Rica

The sighting of a UFO from the window seat of a passenger jet, a strange underwater discovery said to be a lost Japanese city and an odd series of tunnels in Brazil

Key events of the Second World War, beginning with Germany invading Poland, and touching on Japan's expansion in Asia

Events of 1941, when Hitler invaded the USSR. Plus, Operation Barbarossa stalled as winter hits and Soviet resistance - fuelled by propaganda - turned the tide

The Rollin' 60s Neighborhood Crips gang, which began in Los Angeles in 1976 and has since spread to other US cities

The Cleveland Mafia, spawned of an Italian-American Mafia crime family based in Ohio. The organisation formed during the 1900s and still exists in several US states

A focus on Pat Matter, a methamphetamine dealer who rose through the ranks to become president of the Minnesota Hells Angels

Compilation of the most compelling mysteries featured on the Ancient Aliens series

A countdown of the top 10 most interesting reported alien encounters

Tony Robinson embarks on a five-day expedition along Dorset's Jurassic coast to explore the county's role in protecting Britain from invasion during the Second World War

Alice Roberts visits digs in southern England that reveal a previously unknown Roman town, a Tudor ship and evidence of Henry VIII's financial forgery

Andy McGrath embarks on a mission to unearth the Cornish sites of King Arthur and tries magnet fishing for the mythical sword Excalibur

Vandalism strikes the Wildman shop, inspiring Avery to finish building his Manta Coyote kit car. Mike hires a secret labourer to help with his '71 Super Bee

Hidden government facilities and their secret operations, from a Soviet poison lab to a nuclear site under Greenland's ice and a US doomsday bunker inside a mountain