The Invasion of the Robot Creatures Sertano the Satellite King, an alien from Galaxy X, uses a gravity ray in order to get Earth to surrender. Buzz and Frankenstein Jr. must defeat Sertano's robots in order to defeat him. Details Casts Videos Galleries Posters Season Lists Title The Invasion of the Robot Creatures Genres Animation Comedy Release Date 1966-12-03 Episode Runtime 00 Hours 00 Minutes Season Number 1 Episode Number 38 Production Companies Unknown John Stephenson... ... Don Messick... ... Paul Frees... ... Ted Cassidy... ... Hal Smith... ... Dick Beals... ... Frankenstein Jr. and the Impossibles (Opening) (Opening Credits) Frankenstein Jr and the Impossibles (Opening Credits) Original Size (2000x1124) Original Size (1280x720) Original Size (1280x720) Original Size (1007x1416) Original Size (500x750) Original Size (500x750) Original Size (500x750) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Season 1 54 Episode(s) 1966-09-10