A bowling ball falls on Fred's head and Barney takes him to a doctor. However, this Dr. Frankenstone has a machine that can switch personalities and he's looking for a human guinea pig.

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Episode credited cast:
Fred Flintstone (voice)
Barney Rubble / Dino / Guy #2 / Bat (voice)
Jean Vander Pyl ...
Wilma Flintstone / Pebbles Flintstone (voice) (as Jean Vanderpyl)
Gerry Johnson ...
Betty Rubble (voice)
Rest of cast listed alphabetically:
Len Frankenstone (voice)
Don Messick ...
Bamm-Bamm Rubble / Hoppy / Turtle / Cat / Barking (voice)
Doc (voice)
Doug Young ...
Dracuslab / Guy #1 / Dr. Zero / Pterodactyl (voice)


Bowling in alley 13, Fred is beaned by a bowling ball and suffers amnesia. But the doctor to whom Barney takes his friend is no ordinary family physician. He's conducting experiments in the switching of personalities, and Fred strikes him as the ideal test subject. Written by Morganalee

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Release Date:

24 September 1964 (USA)  »

Company Credits

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Technical Specs


Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


Doc: Good evening gentlemen. What can I do for you?
Barney Rubble: Well, my friend Fred isn't well. He got hit on the head by a bowling ball.
Fred Flintstone: [in a semi-conscious state] Mama, Mama, Mama.
Doc: Aha, very, very interesting Ja. Obviously a case of cranios-soreodis.
Barney Rubble: Huh, what's that?
Doc: He's allergic to bowling balls.
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Spoofs Ben Casey (1961) See more »

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