What Happened to Monday (2017) is a Science Fiction, Thriller, Mystery, Action film that follows 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. Currently, you can watch What Happened to Monday on Netflix, Netflix Standard with Ads. Streaming availability may vary by country and platform over time. It has a user rating of 7.1 out of 10 from 6,425 votes. Fans of science fiction movies may also want to explore similar titles below.