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Where to watch Piranha (1978) tonight

Piranha (1978) runs 1 h 34 min, is rated R in the US and averages 6.0 from 794 TMDB members. When flesh-eating piranhas are accidentally released into a summer resort's rivers, the guests become their next meal.

Runtime
1 h 34 min — ends 9:34 pm if you start at 8:00 pm
Rated
R (US)
Genres
Horror
Released
August 3, 1978
TMDB rating
6.0 / 10 from 794 votes
Director
Joe Dante
Starring
Bradford Dillman, Heather Menzies, Kevin McCarthy, Keenan Wynn
Language
English
Good for a group? Yes — a crowd movie.Horror hold a room: people can talk, laugh or scream over it and still follow what is going on. Rated R in the US — check who is in the room.

Where to watch it tonight

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

Streaming availability by JustWatch. In the US, as of 2026-11-05: Amazon Prime Video (subscription), fuboTV (subscription), Peacock Premium (subscription), Philo (subscription), AMC Plus Apple TV channel (subscription), AMC+ Amazon Channel (subscription), AMC+ (subscription), Shudder (subscription), Kanopy (free), Hoopla (free), Fawesome (free), The Roku Channel (free with ads), Fandango at Home Free (free with ads), Pluto TV (free with ads), Shout! Factory TV (free with ads), YouTube Free (free with ads), Plex (free with ads), Cineverse (free with ads), Tubi TV (free with ads).

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Questions people ask

How long is Piranha?
Piranha is 1 h 34 min long (94 minutes). If you start it at 8:00 pm it ends at 9:34 pm; add about 20 minutes if you watch trailers first.
What is Piranha rated?
Piranha is rated R in the US.
Is Piranha a good movie to watch with a group?
Yes — a crowd movie. Horror hold a room: people can talk, laugh or scream over it and still follow what is going on. Rated R in the US — check who is in the room.
Where can I stream Piranha?
In the US, as of 2026-11-05: Amazon Prime Video (subscription), fuboTV (subscription), Peacock Premium (subscription), Philo (subscription), AMC Plus Apple TV channel (subscription), AMC+ Amazon Channel (subscription), AMC+ (subscription), Shudder (subscription), Kanopy (free), Hoopla (free), Fawesome (free), The Roku Channel (free with ads), Fandango at Home Free (free with ads), Pluto TV (free with ads), Shout! Factory TV (free with ads), YouTube Free (free with ads), Plex (free with ads), Cineverse (free with ads), Tubi TV (free with ads). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

Lists it could be on

If you like Piranha

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

Piranha poster

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 2026-11-05. TMDBThis 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