The Magic Roundabout

The Magic Roundabout is a 2005 animated adventure fantasy comedy film based on the television series of the same name. Unlike the show, which was presented with stop-motion animation, the film utilizes computer-generated animation. The story sees a group of unlikely heroes who go on a quest to stop a reawakened villain, who intends on freezing the world, from retrieving a set of powerful diamonds.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.