What Happened to Monday (2017) runs 2 h 3 min, is rated R in the US and averages 7.1 from 6,624 TMDB members. In a world where families are limited to one child due to overpopulation, a set of identical septuplets must avoid being put to a long sleep by the government and dangerous infighting while investigating the disappearance of one of their own.
Availability loads live for your country. See where What Happened to Monday streams (JustWatch via TMDB) →
Streaming availability by JustWatch. In the US, as of 2026-11-05: Netflix (subscription), Netflix Standard with Ads (subscription).
What Happened to Monday 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