Alpha is 1 h 37 min long (97 minutes). If you start it at 8:00 pm it ends at 9:37 pm; add about 20 minutes if you watch trailers first.

Alpha is rated PG-13 in the US.

Where can I stream Alpha?

In the US, as of 2026-11-06: Sony Pictures Core Amazon Channel (subscription), YouTube Free (free with ads). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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Where to watch Alpha (2018) tonight

Alpha (2018) runs 1 h 37 min, is rated PG-13 in the US and averages 6.6 from 2,845 TMDB members. In the prehistoric past, Keda, a young and inexperienced hunter, struggles to return home after being separated from his tribe when bison hunting goes awry. On his way back he will find an unexpected ally.

Runtime: 1 h 37 min — ends 9:37 pm if you start at 8:00 pm
Rated: PG-13 (US)
Genres: Adventure, Drama
Released: August 17, 2018
TMDB rating: 6.6 / 10 from 2,845 votes
Director: Albert Hughes
Starring: Kodi Smit-McPhee, Jóhannes Haukur Jóhannesson, Marcin Kowalczyk, Jens Hultén
Language: English

Good for a group? Yes — a crowd movie.Adventure and Drama hold a room: people can talk, laugh or scream over it and still follow what is going on.

Where to watch it tonight

Availability loads live for your country. See where Alpha streams (JustWatch via TMDB) →

Streaming availability by JustWatch. In the US, as of 2026-11-06: Sony Pictures Core Amazon Channel (subscription), YouTube Free (free with ads).

Questions people ask

How long is Alpha?: Alpha is 1 h 37 min long (97 minutes). If you start it at 8:00 pm it ends at 9:37 pm; add about 20 minutes if you watch trailers first.
What is Alpha rated?: Alpha is rated PG-13 in the US.
Is Alpha a good movie to watch with a group?: Yes — a crowd movie. Adventure and Drama hold a room: people can talk, laugh or scream over it and still follow what is going on.
Where can I stream Alpha?: In the US, as of 2026-11-06: Sony Pictures Core Amazon Channel (subscription), YouTube Free (free with ads). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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Alpha on TMDB · This product uses the TMDB API but is not endorsed or certified by TMDB.

Lights Down is a free tool: tell it your streaming services and how long you have, and it ranks what you can stream tonight, with a this-or-that, a roll, a bracket and a wheel. Movie data from TMDB; streaming availability by JustWatch. Page updated 2026-11-06. This product uses the TMDB API but is not endorsed or certified by TMDB. Lights Down is a Somebody Decide program. How the data works · Legal & privacy · Tonight's lists