| Issue | #225 |
| Published | November 1955 |
| Cover Price | 0.10 |
| Pages | 36 |
| Editing | Whitney Ellsworth (credited); Jack Schiff (actual) |
| Characters | Batman [Bruce Wayne]; Robin |
| Genre | superhero |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Reprinted | in DC Silver Age Classics Detective Comics 225 (DC, 1992 series) #nn; in Millennium Edition: Detective Comics 225 (DC, 2001 series) #nn |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Sheldon Moldoff |
| Inks | Charles Paris |
| Reprinted | in DC Silver Age Classics Detective Comics 225 (DC, 1992 series) #nn; in Millennium Edition: Detective Comics 225 (DC, 2001 series) #nn |
| Genre | Teen |
| Script | Jack Schiff |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Letters | Ira Schnapp |
| Genre | detective |
| Script | Jack Miller |
| Pencils | Ruben Moreira |
| Inks | Ruben Moreira |
| Reprinted | in DC Silver Age Classics Detective Comics 225 (DC, 1992 series) #nn; in Millennium Edition: Detective Comics 225 (DC, 2001 series) #nn |
| Synopsis | Casey responds to a cry for help from inside a gym. |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Reprinted | in Millennium Edition: Detective Comics 225 (DC, 2001 series) #nn |
| Synopsis | Vic wonders why his friend Bill never has any money. |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Reprinted | in Millennium Edition: Detective Comics 225 (DC, 2001 series) #nn |
| Script | Jack Miller |
| Reprinted | in Millennium Edition: Detective Comics 225 (DC, 2001 series) #nn |
| Characters | Martian Manhunter (John Jones, J'onn J'onzz),(introduction; origin); Dr. Mark Erdel (introduction; death); Lt. Saunders |
| Synopsis | A scientist builds a robot brain which teleports a Martian to Earth. After the scientist dies the Martian is trapped here, so he decides to become a police detective. |
| Genre | superhero |
| Script | Joe Samachson |
| Pencils | Joe Certa |
| Inks | Joe Certa |
| Notes | Script attributed by Rich Morrissey to Jack Miller. Current credit from Showcase presents the Martian Manhunter. |
| Reprinted | in Mysteries in Space: The Best of DC Science Fiction Comics (Simon and Schuster, 1980 series) #nn (October 1980); in Secret Origins (DC, 1961 series) #1 (Summer 1961); in World's Finest Comics (DC, 1941 series) #175 (May 1968); in World's Finest Comics (DC, 1941 series) #226 (November-December 1974); in DC Silver Age Classics Detective Comics 225 (DC, 1992 series) #nn; in Millennium Edition: Detective Comics 225 (DC, 2001 series) #nn; in Secret Origins Replica Edition (DC, 1998 series) #1; Showcase Presents the Martian Manhunter (DC, 2007 series) #1. |
| Synopsis | Homer finds the best time to hit the beach. |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Reprinted | in Millennium Edition: Detective Comics 225 (DC, 2001 series) #nn |