The Little Bear Movie (2001)

The Little Bear Movie is an animated film based on the television series Little Bear, which in turn is based on the book series of the same name which was written by Else Holmelund Minarik and illustrated by Maurice Sendak, and produced by Nelvana Limited for Paramount Pictures. The film was released in theaters Christmas 2000 and released on direct-to-video on August 7, 2001 by Paramount Home Video. It stars Kristin Fairlie as the voice of Little Bear.

More at Wikipedia.