Sky History 2 HD Tomorrow

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors

A 20th-century British woman who stunned Egyptologists by accurately locating structures and artefacts

In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal

In 1944, D-Day pierced the Atlantic Wall, as Operation Bagration crushed the Wehrmacht in the East. Plus, the fall of the Third Reich began

The story of Second World War spymistress Vera Atkins, who led agents including Violette Szabo and Yvonne Baseden

Tony Robinson embarks on expeditions through some of Britain's most historic landscapes, starting with a 40-mile walk along the Derwent Valley in the Peak District

Alice Roberts visits more archaeological digs, including a spectacular monument older than Stonehenge, a 200-year-old mine trapped in time and a lost medieval friary

Alice Roberts examines a Dutch ship sunk by the English, a Cornish Roman fort and a 5,000-year-old Neolithic monument

Theorists investigate whether extraterrestrials might have inspired Adolf Hitler to embark on a crazed quest for global domination, and try to track down the Fuhrer's alien secret

Experts unseal the truth about the potential aliens living and working among humans

Assigned to the British War Crime Investigation Unit in post-war Germany, British spy boss Vera Atkins pursued her agents' fate. She eventually hunted down a Nazi mastermind

The capture of a key Nazi uncovered shocking realities. Amid demands for accountability, spymistress Vera Atkins had to confront uncomfortable truths

Tony Robinson goes on a four-day trek through the Kintail region of the Highlands, examining the story of the early 1700s Jacobite uprisings along the way

Alice Roberts heads to a farmer's field in Rutland to examine evidence of a Roman barn conversion, as well as visiting the excavation of one of Henry VIII's lost forts in Hull

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 presenter considers the riddle of the Sphinx, contemplating the suggestion that it is even older than thought

Bradley visits the resting places of Akhenaten and King Tutankhamun's successor Horemheb - before coming face to face with the mummy of the Boy King himself

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors

A 20th-century British woman who stunned Egyptologists by accurately locating structures and artefacts

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

Declassified files reveal bizarre military weapons plans, that somehow balance between apocalyptic and absurd

The events of December 1941 when under cover of a fierce naval bombardment, a taskforce of elite British commandos sailed toward the Norwegian town of South Vaagso

The Battle of Kursk, an engagement between German and Soviet forces on the Eastern Front near Kursk, roughly 280 miles south west of Moscow, during July and August 1943

The year 1944 saw the Allies planning the invasion of France. For pilot Bert Stiles that meant joining the decimated 8th Air Force to clear the Normandy skies

The unexpected gadgets relied upon by spies - from modified toys saving informants to hair-based disguises to spy balloons mistaken for UFOs