| Issue | #121 |
| Published | November 1961 |
| Cover Price | 0.10 |
| Pages | 36 |
| Editing | Jack Schiff; Murray Boltinoff (assoc); George Kashdan (assoc) |
| Notes | Klein,Reed, Hughes and Tiefenbacher say Dillin/Moldoff. Dilich and Lang say Mooney. |
| Characters | Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson] |
| Genre | superhero |
| Pencils | Dick Dillin |
| Inks | Sheldon Moldoff |
| Notes | Klein,Reed, Hughes and Tiefenbacher say Dillin/Moldoff. Dilich and Lang say Mooney. |
| Reprinted | In Showcase Presents: World's Finest (DC, 2007 series) #2 |
| Characters | Xanu; Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson] |
| Synopsis | Batman falls into a cosmic mirror and comes out distorted and with new powers. Superman and Robin take him back into the mirror world and battle Xanu. |
| Genre | superhero |
| Script | Jerry Coleman |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | in World's Finest Comics (DC, 1941 series) #206 (October 1971); in Showcase Presents: World's Finest (DC, 2007 series) #2 |
| Genre | humor |
| Script | Henry Boltinoff (signed) |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Letters | Henry Boltinoff |
| Genre | fact |
| Script | Jack Schiff |
| Pencils | Bernard Baily |
| Inks | Bernard Baily |
| Characters | Capt Falk; Brent Wood |
| Genre | science fiction |
| Script | Jack Miller |
| Pencils | Murphy Anderson |
| Inks | Murphy Anderson |
| Letters | typeset |
| Characters | Green Arrow [Oliver Queen]; Speedy [Roy Harper]; Fred Jennings; Weasel; Artie (Gang Boss) |
| Synopsis | Green Arrow and Speedy help a cop who is scared to death of cats. |
| Genre | superhero |
| Script | John Broome |
| Pencils | Lee Elias |
| Inks | Lee Elias |
| Notes | Writer id by Martin O'Hearn. |
| Reprinted | in Showcase Presents Green Arrow (DC, 2006 series) #1 |