Where to watch Warning Sign (1985) tonight
Warning Sign (1985) runs 1 h 39 min, is rated R in the US and averages 6.0 from 82 TMDB members. An accident occurs in an ultra-secret government biological weapons laboratory spreading a sinister bacteria.
- Runtime
- 1 h 39 min — ends 9:39 pm if you start at 8:00 pm
- Rated
- R (US)
- Genres
- Drama, Science Fiction, Thriller
- Released
- August 23, 1985
- TMDB rating
- 6.0 / 10 from 82 votes
- Director
- Hal Barwood
- Starring
- Sam Waterston, Kathleen Quinlan, Yaphet Kotto, Jeffrey DeMunn
- Language
- English
Where to watch it tonight
Availability loads live for your country. See where Warning Sign streams (JustWatch via TMDB) →
Streaming availability by JustWatch. As of 2026-11-05 it is not streaming on a subscription or free service in the US; it can be rented or bought on Amazon Video, Apple TV Store, Google Play Movies.
Questions people ask
- How long is Warning Sign?
- Warning Sign is 1 h 39 min long (99 minutes). If you start it at 8:00 pm it ends at 9:39 pm; add about 20 minutes if you watch trailers first.
- What is Warning Sign rated?
- Warning Sign is rated R in the US.
- Is Warning Sign a good movie to watch with a group?
- Better for one or two who will actually watch. Drama and Science Fiction reward attention; a room that talks over it will miss the point. Rated R in the US — check who is in the room.
- Where can I stream Warning Sign?
- As of 2026-11-05 it is not streaming on a subscription or free service in the US; it can be rented or bought on Amazon Video, Apple TV Store, Google Play Movies. Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).
Lists it could be on
- Thrillers under 100 minutes
- Sci-fi movies under 2 hours
- Dramas under 2 hours
- Movies from the 80s
- The most-rated movies on TMDB
If you like Warning Sign
- Hollow Man (2000)
- The Omega Man (1971)
- Right at Your Door (2006)
- Outside the Wire (2021)
- Doomsday (2008)
- Spectral (2016)
- Maze Runner: The Scorch Trials (2015)
- Terminator Salvation (2009)
Warning Sign 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 2026-11-05. 
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