Darkest Hour (2017) runs 2 h 5 min, is rated PG-13 in the US and averages 7.4 from 5,694 TMDB members. In May 1940, the fate of World War II hangs on Winston Churchill, who must decide whether to negotiate with Adolf Hitler or fight on knowing that it could mean the end of the British Empire.
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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.
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