| Issue | #50 |
| Published | January 1961 |
| Cover Price | 0.10 |
| Pages | 36 |
| Editing | Mort Weisinger |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Characters | Jimmy Olsen; Krypto; Supergirl; Bizarro #1 |
| Synopsis | Supergirl, Krypto, and Bizarro No. 1 help trick Jimmy into passing three tests in order to inherit a castle and a title. But Jimmy's one act as Lord is to sign away his title and holdings. |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Curt Swan |
| Inks | Sheldon Moldoff |
| Script | Jack Schiff |
| Pencils | Bernard Baily |
| Inks | Bernard Baily |
| Letters | Ira Schnapp |
| Characters | Jimmy Olsen; Superman |
| Synopsis | Jimmy and Superman land on a strange asteroid that wakes up, breathes fire, and requires Supes to juggle glowing rocks to hypnotize it and send it back to slumberland. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Curt Swan |
| Inks | Sheldon Moldoff |
| Characters | Jimmy Olsen; Superman; Prof. Potter |
| Synopsis | Professor Potter perfects an unsucessful invention of Lex Luthor's that switches a percentage of Superman's powers to Jimmy during a surprise birthday party for Jimmy. But he sets the machine improperly and Jimmy gets 100% of Superman's powers. Jimmy spends endless hours at Super-Speed re-wiring the maching to reverse the effects and return his powers to Superman. |
| Genre | superhero |
| Pencils | Al Plastino |
| Inks | Al Plastino |