- Script
- Edmond Hamilton
- Pencils
- Curt Swan
- Inks
- George Klein (Part 1); Sheldon Moldoff (Part 2)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Batman [Bruce Wayne]; Kal-El Jr. / Clark Kent Jr.; Dick Grayson; Ma Kent (in flashback); Pa Kent (in flashback); Lois Lane Kent; Superboy [Clark Kent] (in flashback); Superman [Clark Kent]; Bruce Wayne Jr.; Kathy Kane Wayne; Bat-Mite Jr. (introduction, posing as Batman Jr.); Mxyztplk (son of the original, introduction, posing as Superman Jr.)
- Universe
- DC : Earth-154
- Synopsis
- Teen-aged Bruce Jr. and Kal-El Jr. are punished for mischievous acts and rebellious behavior, however the boys insist they are innocent.
- Reprints
- Keywords
- Batcave; Batplane; Fortress of Solitude; green kryptonite; Imaginary Story; signal-watch; whales
Sequel to the story in World's Finest Comics #154 (December 1965).
- Script
- Jack Schiff
- Pencils
- Sheldon Moldoff
- Inks
- Sheldon Moldoff
- Colors
- ?
- Letters
- Ira Schnapp
- Genre
- advocacy
- Synopsis
- How to treat frostbite, a black eye, and does cutting your hair make it grow faster?
Between parts 1 and 2 of previous story. Previously in November 1962 issues.
- Script
- Edmond Hamilton
- Pencils
- Curt Swan
- Inks
- George Klein (Part 1); Sheldon Moldoff (Part 2)
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Batman [Bruce Wayne]; Kal-El Jr.; Lois Lane Kent; Superman [Clark Kent]; Bruce Wayne Jr.; Kathy Kane Wayne; Bat-Mite Jr. (also posing as Bruce Jr.); Mxyztplk (son of the original, also posing as Kal-El Jr.); Marty Threll
- Universe
- DC : Earth-154
- Synopsis
- It is discovered that Mxyzptlk's son and Bat-Mite Jr. have been posing as Kal-El Jr. and Bruce Jr. After Mxyzptlk's son is tricked into returning to the 5th dimension, and Bat-Mite Jr. explains that Mxyzptlk had used his magic to brainwash him into helping.
- Keywords
- Batcave; camping; fireworks; green kryptonite; Imaginary Story
Mxyzptlk's son is also named Mxyzptlk, but is never referred to as Mxyzptlk Jr.
- Script
- E. Nelson Bridwell ?
- Pencils
- Curt Swan ? (illustration)
- Inks
- George Klein (illustration)
- Colors
- ?
- Letters
- typeset
Letters from Robert L. Krel, Michael Becker, Charles Armentand, Richard Dierig, Jack Lane, Bill Collins, Ralph Berkeley, Tom Chambers, Pat Strong, Win Raymond, Jack O'Hara, Harry East, Larry Scholnick, Don Herrmann, Alan Howard, Steven Beard, Bruce Wayne, Paul Gettler, and R. Grenier.