![The Scooby-Doo/Dynomutt Hour](https://image.tmdb.org/t/p/w342/geO8f6BdJ0E3OcJSzqyS3AakuEx.jpg)
1 Season
32 Episode
The Scooby-Doo/Dynomutt Hour - Season 1 Episode 12 Sinister Symphony
Manyface, a villain of many disguises, used a sinister symphony to send Big City to sleep, stripping it clean.
- Year: 1976
- Country: United States of America
- Genre: Animation, Comedy, Family, Kids, Mystery
- Studio: ABC
- Keyword: criminal investigation, cartoon dog
- Director: William Hanna, Joseph Barbera
- Cast: Henry Corden, Allan Melvin, Casey Kasem, Julie McWhirter, Micky Dolenz, Don Messick