Sky History 2 HD Sunday

Investigations into the power of the number three in history, science and astronomy, and its possible links to extraterrestrial life

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together

Drama-documentary exploring the impact of the murder of James Bulger, who was just two when he was abducted and killed by 10-year-olds Jon Venables and Robert Thompson in 1993

The circumstances surrounding the murder of 23-year-old Rachel Nickell in July 1992, when she was attacked and killed in front of her infant son

Operation Husky, a massive amphibious invasion of the island of Sicily carried out by Allied Forces in July 1943

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

Archaeological finds across the east of Britain including divers searching the Thames for clues to a 17th-century tragedy and a metal detectorist making the discovery of a lifetime

Items from archaeological digs from the north of Britain, including examples from the Heart of Neolithic Orkney World Heritage Site, Cumbria and the Highlands

Investigations into the power of the number three in history, science and astronomy, and its possible links to extraterrestrial life

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together

The career of the half-Vandal general Stilicho, who was handpicked by Emperor Theodosius to ensure Goth mercenaries fighting for the Roman army remained loyal to the empire

How Ricimer, a soldier of barbarian descent, became the power behind the throne of the failing empire, betraying his former friends in the process

Emperor Domitian tasks master builder Haterius with constructing a labyrinth underneath the Colosseum floor

Helen Newlove looks back on the harrowing night her husband Garry was beaten to death outside his home in Warrington, Cheshire, in 2007

Galen of Pergamon makes a name for himself as a physician for gladiators in the arena. A devastating plague sweeps through the city

The case against Herod the Great, who tried to remove his rival, the 'King of the Jews' by ordering the execution of all male infants in Bethlehem shortly after the birth of Jesus

The theories, conspiracies and facts relating to Rudolf Hess's dramatic flight to Scotland in 1941 and his subsequent death in Spandau prison

Investigations into the power of the number three in history, science and astronomy, and its possible links to extraterrestrial life

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together

Helen Newlove looks back on the harrowing night her husband Garry was beaten to death outside his home in Warrington, Cheshire, in 2007

As the Third Reich rose to power, Himmler and the SS became fixated on the Holy Grail, interpreting much of the myth surrounding it as fact - and the quest for it as attainable

The role of ships during the Cold War, featuring a look at two submarines - former enemies - now moored in a Kent river

Tori Herridge and a team of scientists attempt to piece together the story behind the remains of children and teenagers that were discovered beneath a Leeds shopping arcade

The River Hunters head to Canterbury, where they're granted special permission to search the River Stour for relics left behind by 12th-century pilgrims in the River Stour

The number 12 holds divine significance in numerous sacred traditions and is found repeatedly in ancient architecture. This programme reveals why