| Issue | #276 |
| Published | September 1960 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Metalman |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Characters | Metalman; kryptonite; Superboy robots; Jor-El and Lara (flashback); Ma and Pa Kent |
| Synopsis | Metalman "Friday" sacrifices self for Superboy, when Superboy is trapped on an asteroid surrounded by a kryptonite ring. |
| Genre | superhero |
| Script | Otto Binder? |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Notes | rehash of a story in Superboy 49 (June 56) |
| Genre | fact |
| Script | Jack Schiff |
| Pencils | Bernard Baily |
| Inks | Bernard Baily |
| Letters | Ira Schnapp |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Aquaman [Arthur Curry]; Aqualad [Garth]; King Tai, Ruler of Timtu; Vuda, Prime Minister of Timtu |
| Synopsis | Aquaman is falsely accused of stealing a chest of diamonds. |
| Genre | superhero |
| Script | Robert Bernstein |
| Pencils | Ramona Fradon |
| Inks | Ramona Fradon |
| Reprinted | in DC 100-Page Super Spectacular (DC, 1971 series) #DC-8; in Batman (DC, 1940 series) #238 (January 1972); in The Aquaman Archives (DC, 2000 series) #1; in Showcase Presents Aquaman (DC 2007 series) #1 |
| Characters | Janu; Congo Bill |
| Synopsis | Congorilla is transported to another world where he meets an Alien Congorilla much like himself. |
| Genre | superhero; jungle |
| Script | Robert Bernstein |
| Pencils | Howard Sherman |
| Inks | Howard Sherman |
| Reprinted | in World's Finest Comics (DC, 1941 series) #149 (May 1965) [retitled as "The Interplanetary Congorilla"] |