Siren (2016) runs 1 h 22 min, is rated NR in the US and averages 5.9 from 312 TMDB members. A bachelor party becomes a savage fight for survival when the groomsmen unwittingly unleash a fabled predator upon the festivities.
Availability loads live for your country. See where Siren streams (JustWatch via TMDB) →
Streaming availability by JustWatch. In the US, as of 2026-11-06: Fandango at Home Free (free with ads).
Siren 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 2026-10-31. 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