Sky History2 SkyTV

The Glowing Orb Phenomenon: Luminous spheres are appearing globally, moving oddly near military sites, sparking speculation about extraterrestrial contact. (S17, ep 8)

A look at the possibility that life began on Mars and travelled to Earth. Plus, if aliens exist, what plans do they have in store for us? Experts investigate. (S1, ep 5)

Lancaster: Dan Jones visits Lancaster Castle to explore its grisly history of crime and punishment, including the infamous Lancashire Witches trials. (5 of 6)

Odiham, Hampshire: Hugh and the team search for the house of the head of the Elizabethan Secret Service, Sir Frances Walsingham, to find out what this spymaster used it for. (S3, ep 5)

Unidentified: What did UFO chaser Captain Mantell see before he was killed? Plus, experts investigate a close encounter in Texas and a mysterious crash at Shag Harbour. (S1, ep 5)

Sphinx: The most monumental ancient sculpture in the world, the half-man, half-lion Sphinx arouses the curiosity of the entire planet - but how was such a huge structure built? (S3, ep 5)

Emperors Kings And Pharoahs: Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens. (S5, ep 8)

Alien Operations: Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial? (S5, ep 9)

Doomed Vessels: Explore the human errors that condemned great ships to a tragic end, including the Vasa, a 17th century combat ship that sank on her maiden voyage. (S2, ep 3)

Destroyers And Cruisers: Discover the incredible story of USS Laffey, the WW2 destroyer that would come to be known as 'the ship that would not die'. (S2, ep 4)

Easy Company's First Assault: Hours before the D-Day landing, a small group of American paratroopers were dropped behind enemy lines with a vital mission. (S1, ep 5)

Oldham, Greater Manchester: Hugh and the team uncover a World War Two prisoner of war camp beneath a housing estate in Oldham. Glen Mill held over six thousand enemy prisoners. (S3, ep 1)

Oswestry, Shropshire: Hugh and the team go on the hunt for the Morda Workhouse in Oswestry, to find out what the conditions were really like for those who lived there. (S3, ep 3)

Edinburgh: A look at one of Scotland's most popular paid tourist attraction. With a slew of sieges to its name, it is no surprise that the site boasts some formidable defences. (1 of 5)

Emperors Kings And Pharoahs: Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens. (S5, ep 8)

Alien Operations: Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial? (S5, ep 9)

Health and Wealth: With the help of modern science, uncover the secrets of health and wealth in Ancient Egypt from Queen Hatshepsut's death to a case of breast cancer. (S1, ep 5)

An Endless Reign: Discover how, for the past few thousand years, this mighty ruler has remained a caricature of his own propaganda. (S1, ep 5)

Cleopatra - The Battle of Actium: Fought on September 2, 31 BC, the battle of Actium was a decisive naval clash that pitted the forces of Octavian against the Romans. (S1, ep 4)

Egypt's Lost Princess: A tomb containing a mummy and a coffin is discovered in the Valley of the Kings. An investigation tells a tale of a lost princess from Egypt's golden age. (S5, ep 4)

Crime and Punishment: Explore the extreme punishments commonly used in ancient Egypt by homicidal royalty. (S2, ep 3)

Italy and the UK: Visiting a village in Calabria, Ross discovers the true extent of the mafia's powers - before meeting the daughter of an Italian mob boss. (S1, ep 5)

Berlin: In the waning days of the war in Europe, the Soviets march into Germany. The Nazis take their final stand as they defend the capital of the Third Reich - Berlin. (S1, ep 6)

Emperors Kings And Pharoahs: Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens. (S5, ep 8)