Seasons
Season 1
6 Episodes
Cast
George Knapp
Self
Season 1
6 Episodes
George Knapp
Self
In this gripping docuseries, legendary reporter George Knapp travels the globe to uncover new evidence about UFOs and investigate their presence on Earth.
Watch NowStream Investigation Alien now in HD quality.
2023
2021
2010
2015
1975
2003
2024
2010
2021
2005
2020
1963
1993
2010
2022
2020
2002
2010
2018
1997