The Berenstain Bears and The Mystery Mansion is a 1981 television special based on the Berenstain Bears series of children's books, and the fifteenth animated production based on the franchise. It was adapted as a storybook a year its original airing.
The Bear Detectives are on a mission once again, as they are given the news that all of the antique treasures in the Grizzly Mansion have been stolen and replaved with counterfeits.
- Ron McLarty - Papa Bear
- Gabriela Glazter - Sister Bear
- Johnathan Lewis - Brother Bear
- Josh Rodine - Cousin Freddy
- Frank Welker - Snuff