| Issue | #304 |
| Published | September 1963 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman; Borko of Gorn; Boscar of Krag |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Shelly Moldoff |
| Reprinted | in Supermán (Editorial Novaro, 1952 series) #454 (1964) |
| Characters | Superman; Lana Lang; Lois Lane; Rogan; Borko; Boscar |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | Reworked version of "The Interplanetary Olympics" in Action Comics (DC, 1938 series) #220 (September 1956). Info from Bob Bailey, 2005-03-19 (Per Sandell ed.) |
| Reprinted | in Superman (DC, 1939 series) #284 (February 1975) |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Supergirl; Black Flame (villain, intro, origin); Professor Vakox; Dick Malverne; Comet the Super-Horse; Kandor; Jax-Ur; General Zod; Edna Danvers; Fortress of Solitude; Kandor; Phantom Zone |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | in DC Special (DC, 1968 series) #3 (April-June 1969); in Showcase Presents: Supergirl (DC, 2007 series) #2 |