Superboy; Klax-Ar (villain); Jor-El (flashback); Lana Lang; Jonathan Kent; Martha Kent
Synopsis
Klax-Ar, a Kryptonian villain appears, claiming to have destroyed Krypton with a "sky mine", he threatens to inflict the same fate on Earth unless Superboy agrees to exile himself from his adopted planet.
Superman; Jimmy Olsen; Professor Crane; Jor-El; Lara; Baby Kal-El; Krypton; Krypto
Synopsis
Jimmy tests a time machine and finds himself on old Krypton where he lands a job as baby Superman's babysitter. When he returns to his own time his memory of the trip is erased but the by now grown up Superman remembers all.
Superboy; Beppo the Super-Monkey (intro, origin); Jonathan Kent; Martha Kent; Superbaby
Synopsis
Beppo the Kryptonian monkey comes to Earth as a stowaway in Kal-El's rocket, when he causes super mischief at the Kent's house, Superbaby Clark gets the blame.
Superman; Lois Lane [also as Rama]; Jor-El (flashback); Batman [also as Clark Kent]
Synopsis
Lois poses as Rama, a survivor from Krypton, in order to find out Superman's secret identity. But after he reveals his identity, Superman realizes that Rama is really Lois and has to rely on the help of a friend to restore his double identity.
Superboy; Lana Lang; Jor-El (flashback); Lara (flashback); a robot teacher from Krypton; Martha Kent; Jonathan Kent
Synopsis
Jor-El's robot teacher survives Krypton's explosion and arrives on Earth to teach Superboy how to use his super powers - but if he fails even one test, he must give up his career as a super hero.