Spontaneous (2020) runs 1 h 42 min, is rated R in the US and averages 6.7 from 612 TMDB members. When students in their high school begin inexplicably exploding (literally), seniors Mara and Dylan struggle to survive in a world where each moment may be their last.
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Streaming availability by JustWatch. In the US, as of 2026-11-08: Paramount Plus Premium (subscription), Paramount Plus Essential (subscription).
Spontaneous 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 2026-11-03. 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