Investigation Alien
In this gripping docuseries, legendary reporter George Knapp travels the globe to uncover new evidence about UFOs and investigate their presence on Earth.
Similar
Dateline
1992
6.5
Nightline
1980
5.6
Close Encounters
2014
7.0
True Haunting
2025
6.3
NASA's Unexplained Files
2012
7.1
Cold Case Files
2017
7.9
The Rehearsal
2022
8.0
Finally Caught
2023
0.0
The Manhattan Alien Abduction
2024
6.5
Cold Justice
2013
7.5
Chasing the Moon
2019
8.3
A Plan to Kill
2024
8.0
Exhibit A: Secrets of Forensic Science
1997
7.5
Flick Flack
1974
0.0
Search for Second Earth
2018
7.3
Dark Minds
2012
5.0
Harlan Coben's Final Twist
2026
6.0
UFOs Declassified
2015
7.1
The Jinx
2015
8.0