| Issue | #247 |
| Published | December 1958 |
| Cover Price | 0.10 |
| Pages | 36 |
| Editing | Whitney Ellsworth (credited); Mort Weisinger (actual) |
| Characters | Superman; Cedric Carson [as Jonathan Kent]; Millicent Carson [as Martha Kent] |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | in Superman in the Fifties (DC, 2002 series) #nn; in Superman: The Man of Tomorrow Archives (DC, 2004 series) #1; in Showcase Presents Superman (DC, 2005 series) #1 |
| Characters | Superman; Cedric Carson [as Jonathan Kent] (villain); Millicent Carson [as Martha Kent] (villain); Jor-El (statue); Lara (statue); Jonathan Kent (flashback); Martha Kent (flashback); Fortress of Solitude; Superboy (statue, image); Lois Lane; Superman robots; Lana Lang (image); Professor Lang (image); kryptonite |
| Synopsis | Ma and Pa Kent seemingly arrive in the present in a time bubble, and Superman is so happy to see them that he shows them all the secrets of his adult life. But Ma and Pa turn out to be con artists who blackmail Superman with the knowledge of his double identity secret. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Reprinted | in Superman (DC, 1939 series) #193 (January-February 1967); in Superman: The Man of Tomorrow Archives (DC, 2004 series) #1; in Showcase Presents Superman (DC, 2005 series) #1 |
| Characters | Tommy Tomorrow; The Brain (villain); Planeteers |
| Genre | science fiction |
| Script | Otto Binder |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Letters | typeset |
| Script | Henry Boltinoff ? |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Congo Bill; Janu; Jungle Joe (villain) |
| Genre | jungle |
| Script | Jack Miller |
| Pencils | Howard Sherman |
| Inks | Howard Sherman |
| Notes | strip continued as Congorilla in the next issue. |
| Reprinted | in World's Finest Comics (DC, 1941 series) #195 (August 1970) |