The Darkest Hour (2011) runs 1 h 29 min, is rated PG-13 in the US and averages 5.3 from 1,646 TMDB members. In Moscow, five young people lead the charge against an alien race which has attacked Earth via our power supply.
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Streaming availability by JustWatch. In the US, as of 2026-11-05: Britbox Apple TV channel (subscription), BritBox (subscription), MovieSphere+ Amazon Channel (subscription), Kanopy (free), The Roku Channel (free with ads), The CW (free with ads), YouTube Free (free with ads), Plex (free with ads), Tubi TV (free with ads).
The Darkest Hour 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