Ancient Aliens

Alien Messages: Could extraterrestrials have left us clues to the universe's mysteries? Experts investigate cryptic puzzles that might have been left by ancient aliens. (S7, ep 7)

The Great Flood: Experts find evidence suggesting that ancient aliens saved humanity from great floods sent by the gods. Can we rely on extra-terrestrials to save us again? (S7, ep 8)

The Vanishings: Experts explore the disappearance of civilisations throughout time and across the globe. Could clues left in their wake point to an otherwordly explanation? (S7, ep 9)

Hidden Pyramids: Experts investigate ancient man's apparent obsession with building pyramids, and whether extra-terrestrials may have helped with their construction. (S7, ep 11)

The Vanishings: Experts explore the disappearance of civilisations throughout time and across the globe. Could clues left in their wake point to an otherwordly explanation? (S7, ep 9)

Hidden Pyramids: Experts investigate ancient man's apparent obsession with building pyramids, and whether extra-terrestrials may have helped with their construction. (S7, ep 11)

The Vanishings: Experts explore the disappearance of civilisations throughout time and across the globe. Could clues left in their wake point to an otherwordly explanation? (S7, ep 9)

Hidden Pyramids: Experts investigate ancient man's apparent obsession with building pyramids, and whether extra-terrestrials may have helped with their construction. (S7, ep 11)

Aliens and the Old West: Could aliens have already landed on Earth? Experts visit the Texas cemetery believed to hold the body of a life form that crashed there in 1897. (S3, ep 1)

Aliens And Monsters: Experts explore a Hindu scripture describing a huge flying creature that landed on Earth. Could this monster have been an alien craft from outer space? (S3, ep 2)

Aliens and the Old West: Could aliens have already landed on Earth? Experts visit the Texas cemetery believed to hold the body of a life form that crashed there in 1897. (S3, ep 1)

Aliens And Monsters: Experts explore a Hindu scripture describing a huge flying creature that landed on Earth. Could this monster have been an alien craft from outer space? (S3, ep 2)

The Mysteries of Alaska: The vast Alaskan wilderness is known for disappearances, stories of strange creatures and UFO sightings. Could this be due to an otherworldly presence? (S15, ep 8)

Aliens in Our Airspace: Eerie encounters at 40,000 feet, accounts of UFOs taking control of aircraft, and jumbo jets disappearing. Is this proof of aliens in our airspace? (S15, ep 9)

Aliens and the Old West: Could aliens have already landed on Earth? Experts visit the Texas cemetery believed to hold the body of a life form that crashed there in 1897. (S3, ep 1)

Aliens And Monsters: Experts explore a Hindu scripture describing a huge flying creature that landed on Earth. Could this monster have been an alien craft from outer space? (S3, ep 2)

Aliens And Sacred Places: Experts explore evidence suggesting Mecca's Grand Mosque and Jerusalem's Temple Mount were the ancient meeting places of man and extraterrestrials. (S3, ep 3)

Aliens And Temples Of Gold: Experts examine beliefs that a French church provides a gateway to another universe. Plus, could the Sphinx be built on a library left by aliens? (S3, ep 4)

Aliens And Sacred Places: Experts explore evidence suggesting Mecca's Grand Mosque and Jerusalem's Temple Mount were the ancient meeting places of man and extraterrestrials. (S3, ep 3)

Aliens And Temples Of Gold: Experts examine beliefs that a French church provides a gateway to another universe. Plus, could the Sphinx be built on a library left by aliens? (S3, ep 4)

The Giants of Malta: Could the megalithic structures of Malta - and an underground complex housing otherworldly remains - be linked to local legends of alien visitation. (S15, ep 10)

The Top Ten Pyramid Sites: Count down the world's top ten pyramid sites, from hidden structures in Peru to the famous landmarks of Giza in Egypt. (S15, ep 11)

Aliens And Sacred Places: Experts explore evidence suggesting Mecca's Grand Mosque and Jerusalem's Temple Mount were the ancient meeting places of man and extraterrestrials. (S3, ep 3)

Aliens And Temples Of Gold: Experts examine beliefs that a French church provides a gateway to another universe. Plus, could the Sphinx be built on a library left by aliens? (S3, ep 4)

Aliens And Mysterious Rituals: Experts question whether the notion of rituals, such as funerals and festivals, was brought to earth by ancient extraterrestrial visitors. (S3, ep 5)

Aliens And The Ancient Engineers: Experts investigate an ancient fortress in Peru said to have been built with laser tools. Could it prove that aliens once visited Earth? (S3, ep 6)

Aliens And Mysterious Rituals: Experts question whether the notion of rituals, such as funerals and festivals, was brought to earth by ancient extraterrestrial visitors. (S3, ep 5)

Aliens And The Ancient Engineers: Experts investigate an ancient fortress in Peru said to have been built with laser tools. Could it prove that aliens once visited Earth? (S3, ep 6)

Space Station Moon: It was mankind's finest hour, the greatest technological achievement of the 20th century - the Apollo 11 mission to the Moon. (S9, ep 11)

Russia's Secret Files: Russia spans over six million square miles of some of the most rugged terrain on Earth, much of which is uninhabited and largely unexplored. (S9, ep 12)

Beyond Roswell: The US military has denied that the 1947 Roswell crash was anything other than a weather balloon, but FBI files include a memo that indicate otherwise. (S9, ep 13)

The Returned: Thousands of people from every part of the world have reported being abducted by aliens, including even a world leader - President Kiran Ilyumzhinov. (S9, ep 15)

The Top Ten Mysterious Devices: Count down the top 10 mysterious devices found around the world, from strange discs found in a cave in China to an ancient Greek computer. (S15, ep 12)

Shiva The Destroyer: Of all the Hindu gods, none is more important than Shiva, the great destroyer. Could the deity have been the leader of an extraterrestrial race? (S9, ep 16)

The Top Ten Mysterious Islands: Count down the world's top 10 mysterious islands, including sites said to be home to giants and islands that disappear into thin air. (S15, ep 13)

Aliens And Mysterious Rituals: Experts question whether the notion of rituals, such as funerals and festivals, was brought to earth by ancient extraterrestrial visitors. (S3, ep 5)