Be open to simple silliness, caricatural behavior and an alternate reality type animation and you'll be really entertained. Very funny. It doesn't take itself seriously and you shouldn't either. Nice ending. Enjoy it.
Alec Baldwin, Steve Buscemi, Jimmy Kimmel, Lisa Kudrow and Tobey Maguire.
Synopsis & information: http://www.imdb.com/title/tt3874544/
