Finding that Herbert Calkins has broken into Clark Kent’s apartment and is about to discover evidence that will prove he’s Superman, Kent hatches a desperate plan to save himself that will require the help of Bruce Wayne. But Calkins has a few tricks up his own sleeve that could prove catastrophic! Plus, in today’s Important Message, we'll teach you the Bat-Supers Pledge!

Part 7 of “The Super Sleuth” was originally broadcast on July 30, 1946!