

Documentary•
Mystery•
Sci-Fi & Fantasy
The Best Episodes of Ancient Aliens Season 18
Every episode of Ancient Aliens Season 18 ranked from best to worst. Discover the Best Episodes of Ancient Aliens Season 18!

Documentary•
Mystery•
Sci-Fi & Fantasy
The Best Episodes of Ancient Aliens Season 18
Every episode of Ancient Aliens Season 18 ranked from best to worst. Discover the Best Episodes of Ancient Aliens Season 18!
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...
Seasons21
Season 18 Ratings Summary
"The Disclosure Event" is the best rated episode of "Ancient Aliens" season 18. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 1/7/2022. This episode is rated 0.0 points higher than the second-best, "Mystery of the Standing Stones".