Mystery, Inc. has set up a mystery for three high-paying clients so they can pretend to be Batman, Robin and Superman; a mix-up of dates causes the real superheroes to assume the parts that were to be played by the clients, and stop a real robbery in the process.
- The Case of the Mother Goose Mystery (Superman, Batman and Robin / written by Bill Finger)
- Shorty (gag strip by Henry Boltinoff)
- The Error-Car (Green Arrow)
- Man Overboard (full text story by Jack Miller)
- The Tribe Without A Chief (Tomahawk)
Mother Goose: Bat and Robin / And Superman, Too-- / This is a mystery-- / Can you find the clue?
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