Sky History 2 Friday

Experts investigate remote ruins, mysterious caves and legendary mountain portals, asking if these alleged stargates have brought ancient aliens to Earth

Experts examine the belief that gifted children with strange abilities and great knowledge may have been born from ancient aliens

Raksha Dave and Alex Langlands join a team from Reading University at a site in Silchester, near Reading, as they examine one of the best-preserved Roman sites in Britain

Exploring the facts and myths behind Soviet-era UFO research programmes, which are claimed to have taken place at Russian cosmodrome Kapustin Yar

Survivors describe the extreme weather conditions that struck the Italian town of Sarno in 1998, causing damage to cars and buildings and resulting in the deaths of 161 people

Experts investigate remote ruins, mysterious caves and legendary mountain portals, asking if these alleged stargates have brought ancient aliens to Earth

Experts examine the belief that gifted children with strange abilities and great knowledge may have been born from ancient aliens

The history of HMS Invincible, a ship that was captured from the French in 1747 and helped transform the Royal Navy with the lessons it taught about organisation and ship design

The search for an alleged UFO thought to have crashed in Aurora, Texas in 1897. Investigators arrive at the scene to dig for evidence of the claim

A Texan police officer records a monstrous beast on dashcam. A surveillance camera captures an ominous explosion in the skies above Hawaii

The season one champion returns to challenge the artists to concoct a sculpture that captures the heat, energy and emotion of fire

In a pulsating season finale, the two remaining competitors must fill a gallery space with a show-stopping installation

Alice Roberts explores the history of Oxford during the Civil War, when the city became a power base for the royalist forces and a rival capital for nine years of conflict

The vast network of secret tunnels underneath London that kept the British government safe and operational during the Second World War

The actor is joined by astrophysicist Sarah Cruddas to scrutinise an 2016 event in the village of Pentyrch, south Wales involving a vast triangular UFO and the RAF

The Ghost Ship of Northumberland Strait, a ghost ship said to sail ablaze within the Northumberland Strait, a body of water in eastern Canada

Ross heads to New York, where he discovers the connection between USA and Britain in the rise of the Mafia. Plus, the exploits of the infamous Kray twins

How rookie platoon leader Charles Scheffel suffered his first losses as he battled Rommel's Afrika Korps in Tunisia

The shocking facts behind battles that were fought covertly. This episode focuses on events in Syria

Experts investigate remote ruins, mysterious caves and legendary mountain portals, asking if these alleged stargates have brought ancient aliens to Earth

Experts examine the belief that gifted children with strange abilities and great knowledge may have been born from ancient aliens

A look at UFO sightings, terrifying abductions and other bizarre occurrences, casting new light on historic cases

A Texan police officer records a monstrous beast on dashcam. A surveillance camera captures an ominous explosion in the skies above Hawaii

The season one champion returns to challenge the artists to concoct a sculpture that captures the heat, energy and emotion of fire

In a pulsating season finale, the two remaining competitors must fill a gallery space with a show-stopping installation

Alice Roberts explores the history of Oxford during the Civil War, when the city became a power base for the royalist forces and a rival capital for nine years of conflict

Investigating claims that China, with its history of technological advancement and isolationism, could have been the home of alien beings