Expedition Unknown: Hunt for ExtraTerrestrials poster

Expedition Unknown: Hunt for ExtraTerrestrials (2017)

Reality-TV

Josh Gates sets off on the most extraordinary expedition of his career. He'll journey over 50,000 miles to four continents to tackle mankind's greatest question: Are we alone in the universe?

IMDb rating: 7.7 (340 votes)
Seasons: 1
Streaming (US): Discovery+ Amazon Channel · YouTube TV · Philo · Discovery +
Language: EN
Type: Mini-series

Browse seasons by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Jul 3, 2026 · 1 season indexed

Cast

Josh Gates Himself - Host

Seasons

Season 1 (2017)

7.93 avg 4 episodes 8.0 → 7.8 42 min avg

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Close Encounters	8.0	32
2	Ancient Visitors	7.9	32
3	UFOs Over England	8.0	35
4	Roswell Revealed	7.8	32