This is a list of movies which play with alternative possible realities, in various ways:
- It’s a Wonderful Life [Frank Capra, USA 1947]
- Przypadek (Blind Chance) [Krzysztof Kieslowski, Poland 1987]
- Lola Rennt (run lola run) [Tom Tykwer, Germany 1998]
- Sliding Doors [Peter Howitt, UK 1998]
- The Family Man [Brett Ratner, USA 2000]
- Me Myself I [Pip Karmel, Australia 2000]
On the topic of possible worlds, this post may be of interest.