Since it's such a great series, let's rank every season of Ancient Aliens from best to worst. If you're into the paranormal, extraterrestrials, and conspiracy theories, then the History Channel's Ancient Aliens is the show for you. In short, each season offers up an array of hypotheses and theories that may support the existence of extraterrestrials, among other things. As you can imagine, the show is nothing short of interesting—not to mention mind blowing. Here, you'll find every season of Ancient Aliens ranked from best to worst by viewers just like yourself. If you're a long time fan of the show, be sure to weigh in on which seasons of Ancient Aliens you think are the best.
If you're less familiar with it, then you can use this ranked list to find which seasons you should be sure to watch first. From mysterious ancient artifacts and structures to cutting-edge technology, Ancient Aliens is the show to check out. Vote up the best seasons below.
Ancient Aliens Season 1
Season 1 first premiered on April 20, 2010 and contains 5 episodes. The first episode launches into the quest of the series to prove the existence of aliens by using ancient clues.
Some of the most popular episodes of this season are "The Evidence," "The Mission," and "The Return."
Ancient Aliens Season 4
Season 4 first premiered on February 17, 2012 and contains 10 episodes. This season explores the connection between aliens and everyone from the Mayans to NASA.
Some of the most popular episodes of this season are "The NASA Connection," "Mystery of Puma Punku," and "The Doomsday Prophesies."
Ancient Aliens Season 3
Season 3 first premiered on July 28, 2011 and contains 16 episodes. This season explores things like the possibility of alien connection to ancient religious rites and myths.
Some of the most popular episodes of this season are "Aliens and Temples of Gold," "Aliens and Ancient Engineers," and "Aliens and Evil Places."
Ancient Aliens Season 2
Season 2 first premiered on October 28, 2010 and contains 10 episodes. This season explores things like alien connections with mysterious places, even ones that lie beneath the sea.
Some of the most popular episodes of this season are "Underwater Worlds," "Unexplained Structures," and "Mysterious Places."