Source Selector
No Ads
With Ads
If the current source doesn't work, try another beside it.
TV ShowDocumentary
Investigation Alien
Rating
7.2 / 10
First Aired
2024
Seasons
1
Status
Ended
Synopsis
In this gripping docuseries, legendary reporter George Knapp travels the globe to uncover new evidence about UFOs and investigate their presence on Earth.
Recommended
6.8
2023
Encounters
7.1
2010
Ancient Aliens
6.5
2024
The Manhattan Alien Abduction
7.3
2021
Top Secret UFO Projects Declassified
7.3
2015
Hangar 1: The UFO Files
7.7
2010
Through the Wormhole
7.7
2020
History's Greatest Mysteries
7.2
2005
Seconds from Disaster
6.6
2024
Files of the Unexplained
7.5
2006
How Do They Do It?
7.7
2018
One Strange Rock
7.9
2022
LIGHT & MAGIC
8.6
2016
People Magazine Investigates
7.8
2022
Our Universe
8.3
2010
How the Universe Works
6.6
2019
The World According to Jeff Goldblum
8.0
2007
The Universe
6.8
2020
Heaven's Gate: The Cult of Cults
8.6
2017
Blue Planet II
7.5
2004
MegaStructures
More Like This
6.5
1992
Dateline
4.0
2022
Payback
8.0
2025
Opioïdes, business et addiction
9.0
2008
Backlot
8.0
2024
A Plan to Kill
6.9
2025
Fire and Water: Making the Avatar Films
5.6
1980
Nightline
7.0
2024
Philly Homicide
7.0
2023
Evidence of the Unexplained
8.3
2019
Chasing the Moon
7.4
2012
Fatal Vows
6.3
2023
FEDS
8.0
2021
Cellmate Secrets
2021
Brommer op zee
8.5
2019
Murder in the Thirst
6.5
2025
Haunted Places
2012
Panic 9-1-1
8.0
2023
Antigang
8.0
2025
Oh My Ghosts! Horror stories of Asian ghosts
7.2
2018
Search for Second Earth