Now convinced that Superman’s letter is on the level, Eyebrows is setting out to categorically prove that Clark Kent and Superman are one and the same. Meanwhile, Kent receives a call from Bruce Wayne (who is really Batman) and gets a perspective he hadn’t considered… Plus, in today’s Important Message, we’ll answer a popular question about the new and improved Bat-Supers Membership Kit!

Part 5 of “The Secret Letter” was originally broadcast on November 29, 1946!