The Doomsday Prophecies: Experts scrutinise the Maya Calendar, which predicted the world would end in 2012. Could it have anticipated the arrival of an extraterrestrial god? (S4, ep 2)
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)
Gods & Aliens: Why do many cultures tell similar tales of monsters and giants? Could they be eye-witness accounts of extraterrestrials? Series exploring evidence of aliens. (S2, ep 2)
Aliens And Robots: Experts investigate ancient tales and accounts of robots. If these sophisticated machines did exist in bygone days, what might have happened to them? (S8, ep 1)
Mysteries Of The Sphinx: Theorists offer compelling evidence suggesting that the ancient monolith thought to depict Egyptian pharaoh Khafra once represented an alien being. (S7, ep 1)
Aliens And Forbidden Islands: Experts investigate why so many UFOs have been spotted near remote islands. Could these far-removed spots be the earthly homes of aliens? (S6, ep 1)
Secrets Of The Tombs: Experts question the startling similarities in burial tombs from distant cultures, asking if aliens could have influenced their complicated designs. (S5, ep 1)
The Mayan Conspiracy: Experts investigate startling evidence suggesting that the Ancient Maya conspired with aliens. Was this how they acquired their knowledge of astrology? (S4, ep 1)
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)
Series examining 75 million years of alien evidence on Earth. Discover what secrets extraterrestrials may have left behind and how spacemen might have shaped our world. (S2, ep 1)