Anomalisa (2015) was crowd-funded through Kickstarter.com. In early development, the film was planned to be only a short film, about 40 minutes in length.
The first R-rated animated film to be nominated for the Academy Award for Best Animated Feature.
The song Lisa sings to Michael was originally supposed to be Céline Dion's "My Heart Will Go On", but was changed to Cyndi Lauper's "Girls Just Want to Have Fun" when the Titanic (1997) theme song could not be licensed for the movie.
David Thewlis, Jennifer Jason Leigh, and Tom Noonan are the same actors that voiced the original "sound play" on which the movie is based.
The classic movie the protagonist puts on TV, reenacted with puppets, was originally supposed to be Casablanca (1942), but the production could not afford to license it so it was changed to My Man Godfrey (1936), which was in the public domain.