Produced by Creator/HannaBarbera for Creator/{{CBS}} in 1966, the same year as ''WesternAnimation/SpaceGhost'', Frankenstein Jr. was a gigantic, sentient DoAnythingRobot built and commanded by boy scientist Buzz Conroy. Their base of operations was a mountaintop laboratory run by Buzz's father.

The show's backup segment was ''The Impossibles''. Coil Man, Fluid Man and Multi Man were the secret identities of a trio of otherwise unnamed rock guitarists.

''Frankenstein Jr. and the Impossibles'' was one of the last H-B series animated in the classic Ed Benedict style.

NOTToBeConfusedWith ''Frankenstein Junior'', a MarketBasedTitle[[note]] (in Italy for those curious)[[/note]] for ''Film/YoungFrankenstein.''
!!This series provides examples of:

* AlternativeForeignThemeSong: The Japanese version has [[http://www.youtube.com/watch?v=OreKtQx0pUE this]].
* AnimatedSeries
* BlondeBrunetteRedhead: Coil Man, Fluid Man, and Multi Man, respectively
* BroughtToYouByTheLetterS: Coil Man sports a "C" on his chest, Fluid Man sports an "F" on his chest, and Multi Man sports an "M" on his outfit (as well as his shield.
** And Frankenstein Jr. sports a letter "F" on his chest as well
* CaptainErsatz: Hanna-Barbera attempted to develop a cartoon of the Beach Boys, in light of the success of Creator/{{ABC}}'s [[WesternAnimation/TheBeatles cartoon of the Beatles]]. The Impossibles may have been created when the Beach Boys project fell through.
** Not to mention Frankenstein Jr. is obviously an HB version of ''Anime/{{Gigantor}}''.
* CatchPhrase: "Rally ho!" for the Impossibles, and "Alakazoom!" for Buzz Conroy
* ChildProdigy: Buzz is like, 11 years old tops?
* DoAnythingRobot
* ElementalShapeshifter: In ''The Impossibles'', Fluid Man could change into regular water or vaporize himself into a cloud or a storm.
* GentleGiant: Frankenstein Jr., obviously.
* GogglesDoNothing: Fluid Man wears a diving mask, but they don't seem to have any use, considering that in the episode "The Sinister Speck", when the titular villian shrinks down to speck size and flies into our hero's eyes, Fluid Man's goggles did not block the Sinister Speck's path.
* HumongousMecha
* TheKidWithTheRemoteControl: Buzz.
* PowerTrio
* TheProfessor: Buzz's father.
* ShoePhone: The Impossibles receive their assignments from their chief via TV screen inside a guitar neck.
* SquashedFlat: It happens at least once to Coil Man.
* SuperHero