Rising Seasons
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 (335 votes)
Seasons
1
Streaming (US)
Discovery+ Amazon Channel · YouTube TV · Philo · Discovery +
Language
EN
Type
Mini-series
Open in interactive explorer → View on IMDb

Seasons

Season 1 (2017)

7.93 avg 4 episodes 8.0 → 7.8 42 min avg

Ep 1: 8.0 · 31 votesEp 2: 7.9 · 31 votesEp 3: 8.0 · 34 votesEp 4: 7.8 · 31 votes
Season 1 episodes — IMDb ratings
#TitleRatingVotes
1Close Encounters8.031
2Ancient Visitors7.931
3UFOs Over England8.034
4Roswell Revealed7.831

Episode ratings and vote counts from IMDb. Poster, overview, and streaming data from TMDB. Data refreshed 2026-05-20.

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