| Issue | #177 |
| Published | September 1971 |
| Cover Price | 0.25 USD |
| Pages | 52 |
| Editing | Murray Boltinoff |
| Characters | Superboy; Jonathan Kent; Martha Kent |
| Genre | Superhero |
| Pencils | Dick Giordano (signed) |
| Inks | Dick Giordano (signed) |
| Characters | Superboy [Clark Kent]; Jonathan Kent; Martha Kent; Cerebron [Lex Luthor]; Lana Lang |
| Synopsis | Superboy makes it seem that he has turned on his foster parents in order to protect them from Luthor's latest scheme against him. |
| Genre | Superhero |
| Script | Leo Dorfman |
| Pencils | Bob Brown |
| Inks | Murphy Anderson |
| Characters | Superboy; Jonathan Kent; Martha Kent |
| Synopsis | Superboy accidentally unleashes a plague from an ancient Egyptian artifact, but is able to turn back the clock and prevent the epidemic. |
| Genre | Superhero |
| Script | Leo Dorfman |
| Pencils | Bob Brown |
| Inks | Murphy Anderson |
| Reprinted | in Best of DC, The (DC, 1979 series) #7 |
| Characters | Legion of Super-Heroes [Superboy [also as Clark Kent]; Chameleon Boy; Mon-El; Element Lad; Saturn Girl; Lightning Lad; Sun Boy; Brainiac 5]; Dev-Em; Radiation Roy; Proty II; Krypto; Molock |
| Synopsis | Dev-Em arrives at Legion headquarters as a member of the Inter-Stellar Counter-Intelligence Corps on a mission to nab the elusive leader of the Cosmic Spy Legion, Morlock the Merciless, but loses the assignment to Superboy. |
| Genre | Superhero |
| Script | Jerry Siegel; Otto Binder (pgs. 4-9) |
| Pencils | John Forte (pgs. 1-3, 10); George Papp (pgs. 4-9) |
| Inks | Sheldon Moldoff (pgs. 1-3, 10); George Papp (pgs. 4-9); Al Plastino (Superboy and Clark Kent faces) |
| Notes | There is an "Editor's Note" at the bottom of the first page announcing the change in frequency of Superboy from 8-times a year to monthly. |
| Reprinted | from Adventure Comics (1938 series) #320 |
| Characters | Legion of Super-Heroes [Superboy; Brainiac 5; Sun Boy, Chameleon Boy; Element Lad; Lightning Lad; Mon-El]; Dev-Em; Molock; Proty II |
| Synopsis | Superboy successfully completes Dev-Em's mission, with Proty II's help. |
| Genre | Superhero |
| Script | Jerry Siegel |
| Pencils | John Forte |
| Inks | Sheldon Moldoff |
| Reprinted | from Adventure Comics (1938 series) #320 |