Episode 1 | The Top Ten Extraordinary Discoveries

Ten extraordinary archaeological finds challenge our understanding of human origins, including mysterious spheres, an Andean lost city, and a submerged metropolis with possible links to otherworldly visitors.

Episode 2 | The Top Ten Mysterious Monoliths

Ancient Aliens is counting down the world's top ten most mysterious monoliths, from a 500-ton stone believed to represent an ancient UFO, to giant statues said to have been created with advanced technology, and ornate pillars that...

Episode 3 | The Top Ten UFO Crashes

Ancient Aliens is counting down ten of the most compelling UFO crashes that have been reported across the globe. From an acorn-shaped object that crashed in the woods of rural Pennsylvania, to a mysterious craft that washed ashore...

Episode 4 | The Top Ten Unexplained Technologies

Ancient Aliens is counting down ten of the most astonishing - and unexplainable - technologies in history. From mysterious golden orbs discovered in Mexico, to a sacred wooden box that could communicate with the heavens, and an an...

Episode 5 | The Top Ten Secret Projects

Ancient Aliens is counting down ten of history's most compelling - and covert - projects that study the UFO phenomenon. From clandestine government organizations to agents that silence UFO witnesses and secret programs to reverse ...

Episode 6 | The Top Ten Mysterious Mountains

Ten enigmatic mountains worldwide harbor unexplained phenomena and UFO activity. From Sri Lanka's mystical portal to Washington's volcanic encounter, these peaks spark questions about possible alien connections.

Episode 7 | Mysteries of the Aztecs

Ancient astronaut theorists explore connections between Aztec deities and possible alien contact, examining the empire's mysterious rise and fall through the lens of their cosmic mythology and religious practices.

Episode 8 | The Glowing Orb Phenomenon

Strange luminous spheres appear worldwide, moving in impossible ways and showing up near sensitive military sites. Their origin and purpose remain unknown, raising questions about potential extraterrestrial contact.