| Issue | #156 |
| Published | October 1962 |
| Cover Price | 0.12 |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman; Supergirl; Krypto; Superman Emergency Squad |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Reprinted | in Showcase Presents Superman (DC, 2005 series) #3 [black and white] |
| Characters | Superman [Clark Kent]; Superman Emergency Squad; Jimmy Olsen; Jor-El (flashback); Tharb-El (flashback); Lois Lane; Lana Lang; Perry White; Supergirl; Krypto; Legion of Super-Heroes [Saturn Girl; Lightning Lad; Cosmic Boy]; Fortress of Solitude; Green Kryptonite; Kandor; Superman robots; Flying Newsroom |
| Synopsis | A Kryptonian artifact containing samples of Virus X crashes on Earth, and though Superman drives it deep underground with a huge boulder, he appears to have been exposed to the virus, which kills Kryptonians in 30 days. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | First part of a 3-part novel. Story reworked from Superman (DC, 1939 series) #66. |
| Reprinted | in Showcase Presents Superman (DC, 2005 series) #3 [black and white]; in Superman in the Sixties (DC, 1999 series) #[nn] |
| Characters | Superman; Superman Emergency Squad; Legion of Super-Heroes [Bouncing Boy; Triplicate Girl; Sun Boy; Chameleon Boy; Brainiac 5; Lightning Lad; Saturn Girl; Cosmic Boy; Invisible Kid; Shrinking Violet]; Supergirl; Krypto; Lois Lane; Jimmy Olsen; Lori Lemaris; Kandor; Superman robots; Flying Newsroom |
| Synopsis | As Superman lies near death, Supergirl recruits Superman's allies to help perform all the great tasks Superman planned to do before he died to secure the safe future of Earth. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | Part two of a 3-part novel. Cosmic Boy is mistakenly referred to as Cosmic King in one panel. |
| Reprinted | in Showcase Presents Superman (DC, 2005 series) #3 [black and white]; in Superman in the Sixties (DC, 1999 series) #[nn] |
| Characters | Superman; Supergirl; Jimmy Olsen; Superman Emergency Squad; Legion of Super-Heroes [Saturn Girl; Shrinking Violet; Invisible Kid; Lightning Lad; Cosmic Boy; Bouncing Boy; Triplicate Girl; Brainiac 5; Chameleon Boy; Sun Boy]; Lois Lane; Jonathan Kent (flashback); Martha Kent (flashback); Lana Lang; Lyla Lerrol (flashback); Batman [Bruce Wayne]; Robin [Dick Grayson]; Lori Lemaris; Krypto; Mon-El; Tharb-El; Phantom Zone; Flying Newsroom; Superman robots |
| Synopsis | After Superman says his final good-byes, Supergirl discovers that Superman was not exposed to Virus X, and Mon-El is finally able to make contact from the Phantom Zone to reveal the real cause of Superman's distress. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | Part three of a 3-part novel. |
| Reprinted | in Showcase Presents Superman (DC, 2005 series) #3 [black and white]; in Superman in the Sixties (DC, 1999 series) #[nn] |