Happy Feet is the film that earned Mad Max: Fury Road director George Miller his first — and to date, only — Oscar for Best Animated Movie. Elijah Wood stars as the voice of Mumble ...

We made a list of 11 features based on beloved cartoons that left a bad taste in the mouths of critics and audiences alike. In fact, every movie on our list has a "rotten" rating at Rotten Tomatoes.