![It's a Mystery, Charlie Brown](https://image.tmdb.org/t/p/w342/q5t6TLrGbTHeA2lNcbKSV4Frtkc.jpg)
It's a Mystery, Charlie Brown
- An: 1974
- Pays: United States of America
- Genre: Animation, Comédie
- Studio: Lee Mendelson Film Productions, Bill Melendez Productions
- Mot-clé: detective, dog, beagle
- Réalisateur: Phil Roman
- Jeter: Todd Barbee, Melanie Kohn, Stephen Shea, Donna Le Tourneau, Jimmy Ahrens, Lynn Mortensen