SkyHistory2HD

In 1980, a man received a code after touching an alleged spaceship. After the sequence was translated, he was told never to speak of the incident again.

Ancient alien theorists ask whether the Greeks and Egyptians understood electricity. Could extraterrestrials have introduced them to such technology.

Grieving siblings trespass into the territory of a legendary beast during a midnight drive. A weekend getaway ends in a terrifying encounter. (S2.

A Bronze Age village, a Notre Dame fire, and a 19th-century grave reveal ancient lifestyles. Tar pits showcase extinct mammals and shed light on prehistoric climate change.

A 23-year-old Hitler, living hand-to-mouth as a painter in Vienna, Austria, discovers a sacred spear in the city's Hofburg Museum.

In 1943, the inmates of the Death Camp at Sobibor staged an organised rebellion against their Nazi oppressors.

Ian attempts to finish his wild concept car in time and debut it at a premier car show on the West Coast.

Observe the daily life of a garbage collector in Brazil, visit a cave village in China and take a closer look at the working conditions of a man working in the Egyptian desert.

Singing Sands & Saudi Howling Cave: Strange sounds emanating from sand dunes in the Mongolian desert are investigated, while the ruins of a lost Roman city may have been found.

When a mysterious circular stone structure is discovered in Scotland, experts investigate whether it's the fabled Round Table of King Arthur.

The story of the World War II aircraft carrier USS Enterprise. Join her as she sets sail in the Pacific on a mission to sink enemy submarines.

The Messerschmitt 262 was the brainchild of genius designer Willy Messerschmitt and it became the first combat jet in history.

Close Encounters of the Fifth Kind: Explore whether contact with extraterrestrial life could have occurred. If so, has this happened in the highest levels of the US government.

The vast Alaskan wilderness is known for disappearances, stories of strange creatures and UFO sightings. Could this be due to an otherworldly presence.

In Phoenix, a mass UFO sighting took place. Thousands witnessed a series of bright orbs overhead. Craig and Sarah take on the extraordinary case.

Alice studies the history of Canterbury, learning the true horror of the Black Death and exploring the iconic cathedral. (5 of.

For more than 260 years, HMS Invincible lay at the bottom of the Solent. Now, archaeologists are diving beneath the waves to learn more about this game-changing ship.

Observe the daily life of a garbage collector in Brazil, visit a cave village in China and take a closer look at the working conditions of a man working in the Egyptian desert.

Singing Sands & Saudi Howling Cave: Strange sounds emanating from sand dunes in the Mongolian desert are investigated, while the ruins of a lost Roman city may have been found.

When a mysterious circular stone structure is discovered in Scotland, experts investigate whether it's the fabled Round Table of King Arthur.

The story of the World War II aircraft carrier USS Enterprise. Join her as she sets sail in the Pacific on a mission to sink enemy submarines.

The Messerschmitt 262 was the brainchild of genius designer Willy Messerschmitt and it became the first combat jet in history.

Whale Eats Kayakers, Trucks vs Trains, Flames & Cranes & Historic Eiffel Tower Jump: A worker is trapped on a burning building's ledge and kayakers are swallowed by a whale.

Jeff MacKinnon's team searches Scatarie Island for The Feversham's lost fortune. Battling currents, they uncover artifacts that may lead to treasure.

Close Encounters of the Fifth Kind: Explore whether contact with extraterrestrial life could have occurred. If so, has this happened in the highest levels of the US government.