

September 10, 1966
1
54
EN
Boy genius Buzz Conroy’s powerful robot, Frankenstein Jr. cranks into action along with a group of crime fighting superheroes disguised as a beatnik rock group, The Impossibles, making hot-rockin’ musical justice!

John Stephenson
Cast

Don Messick
Cast

Paul Frees
Cast

Ted Cassidy
Cast



Joseph Barbera, William Hanna
William Hanna
Hal Smith
Cast

Dick Beals
Cast

Season 1
54 episodes
September 10, 1966