| Issue | #339 |
| Published | May 1965 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Karmak the Gorilla |
| Genre | Superhero |
| Pencils | Carmine Infantino |
| Inks | Joe Giella |
| Reprinted | in Batman: The Dynamic Duo Archives (DC, 2003 series) #2 (June 2006); in Showcase Presents Batman (DC, 2006 series) #1 |
| Script | Jack Schiff |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Walter Hewitt (first appearance); Karmak the Gorilla (first appearance; villain) |
| Genre | Superhero |
| Script | Gardner Fox |
| Pencils | Carmine Infantino |
| Inks | Joe Giella |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Reprinted | in DC Special (DC, 1975 series) #16 (Spring 1975); in Batman: The Dynamic Duo Archives (DC, 2003 series) #2 (June 2006); in DC Goes Ape (DC, 2008 series) #1 ([October] 2008); in Showcase Presents Batman (DC, 2006 series) #1 |
| Characters | Elongated Man; Batman (guest star) |
| Genre | superhero |
| Script | Gardner Fox |
| Pencils | Carmine Infantino |
| Inks | Sid Greene |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Reprinted | in Showcase Presents The Elongated Man (DC, 2006 series) #1 |