Story 1: The Secret Of The Mystery Legionnaire!
Dynamo-Boy, the newest member of the Legion of Super-Heroes, is actually a pirate who is infiltrating the Legion team to take them down. Systematically, Dynamo-Boy is able to kick out each Legionnaire until only he remains. He then scours the galaxy for members for his new version of the Legion of Super-Heroes.
Story 2: A Job For Super-Dog
Krypto undertakes an adventure. Reprint from Superboy vol 1 #56.
Untitled Casey the Cop story
Casey helps the dog catcher .
Untitled Chief Hot-Foot story
The Chief meets the new medicine man .