The Mandela Effect

The Mandela Effect is a 2019 science fiction horror film written and directed by David Guy Levy, starring Charlie Hofheimer as a father grieving for the loss of his daughter. The character becomes obsessed with facts and events that many people remember incorrectly. Aleksa Palladino plays his also-grieving wife, while Robin Lord Taylor plays his best friend and brother-in-law, and Clarke Peters plays a washed-up scientist. The movie is titled after the eponymous psychological phenomenon.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.