| Issue | #4 |
| Published | July 1955 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Martin Smith |
| Pencils | Mike Sekowsky |
| Characters | Captain Flash [Professor Keith Spencer]; Ricky [Ricky Davis]; Jimmy |
| Synopsis | Some thugs plant the idea that Captain Flash is a myth to try to find out if he really exists. Unfortunately for them, they find out that he does. |
| Genre | Superhero |
| Pencils | Mike Sekowsky |
| Reprinted | in Golden-Age Men of Mystery (AC, 1996 series) #13 (1999) [in black and white] |
| Pencils | Mike Sekowsky |
| Pencils | Edvard Moritz |
| Pencils | Mike Sekowsky |
| Reprinted | in Golden-Age Men of Mystery (AC, 1996 series) #3 |