This collection includes alternate history films and films that deal with a history that’s been altered or different from our own. Elements of the Multiverse, string theory or parallel worlds are often present in these films. Most of these films are science fiction but this collection also includes comedies, dramas and other genres. Examples of Alternate History films in this collection include Planet of the Apes (1968), Richard III (1995), The Family Man (2000), Mr. Nobody (2009) and Spider-Man: No Way Home (2021). This is the ultimate list of the best Alternate History subgenre films.