Ancient Aliens

Ancient Aliens series poster
History logo
Status:
Continuing
Season 21:
Currently Running
Watched: 0%
0 of 274 Episodes
I'm caught up!
Next Episode:
S21 E14 airs on Thu October 9th, 2025
Notification Preferences

Notes:

Season: 21
# Air Date Episode Name Watched?
E1 Feb 07, 2025 The Top Ten Extraordinary Discoveries
E2 Feb 14, 2025 The Top Ten Mysterious Monoliths
E3 Feb 21, 2025 The Top Ten UFO Crashes
E4 Feb 28, 2025 The Top Ten Unexplained Technologies
E5 Mar 07, 2025 The Top Ten Secret Projects
E6 Mar 14, 2025 The Top Ten Mysterious Mountains
E7 Mar 21, 2025 Mysteries of the Aztecs
E8 Mar 28, 2025 The Glowing Orb Phenomenon
E9 Aug 29, 2025 The Legacy of J. Allen Hynek
E10 Sep 05, 2025 The Volcano Factor
E11 Sep 12, 2025 The Birdman Mystery
E12 Sep 19, 2025 The Abduction Files
E13 Oct 02, 2025 The Giants
E14 Oct 09, 2025 Aliens In Our Midst
E15 Oct 16, 2025 Britain's UFO Files
Mark Series:
Watched / Unwatched
Mark Season 21:
Watched / Unwatched
Season 22 AI Speculation:
Tired of guessing when Ancient Aliens will return? Create an account to unlock our exclusive AI Speculation Engine, powered by Google Gemini 2.5 Pro. Our system uses a five-step analytical process to generate intelligent, high-confidence predictions by assessing production stages, historical release patterns, and industry news, even flagging potential delays like strikes. Logging in gives you immediate access to these deeply researched "best guess" release windows and allows us to provide you with personalized notifications.

AI Generated Series Overview:
Log in to unlock see our exclusive AI-Generated Overviews, which provide an intelligent, multi-layered analysis based on plot progression, character arcs, and recent industry news to create a unique context for Ancient Aliens.

You can see both Google Gemini and ChatGPT descriptions side by side and vote which you think is better.

Featured Characters (2)
See All (16)
Network:
History
Seasons:
19
Years:
2010 - 2025
Genre:
Science Fiction, Fantasy, Documentary, History
Country:
United States
Language:
English
Rating:
TV-PG
Support us on Facebook

Login

Sign Up

Forgot Password