Inventor Fred comes up with a weight-loss potion that doesn't just shed pounds, it drastically reduces Fred's size. Capitalizing on the weird situation, Barney goes on "The Ed Sullystone Show" as a ventriloquist, with Fred acting as his dummy. But during the act, Fred returns to his normal size, and they are thrown off the show.
| Name | Type | Role | |
|---|---|---|---|
| Mel Blanc | Guest Star | ||
| Jean Vander Pyl | Guest Star | ||
| Doug Young | Guest Star | ||
| Daws Butler | Guest Star | ||
| Don Messick | Guest Star | ||
| William Hanna | Director | ||
| Joseph Barbera | Director |