| Issue | #21 |
| Published | August 1972 |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | ? |
| Genre | Science Fiction |
| Pencils | Morris Gollub |
| Inks | painted cover |
| Reprinted | from Mighty Samson (Gold Key, 1964 series) #7 (September 1966) |
| Genre | Science Fiction |
| Script | Otto Binder |
| Pencils | Frank Thorne |
| Inks | Frank Thorne |
| Notes | Part 1 |
| Reprinted | from Mighty Samson (Gold Key, 1964 series) #7 (September 1966) |
| Genre | Science Fiction |
| Script | Otto Binder |
| Pencils | Frank Thorne |
| Inks | Frank Thorne |
| Notes | Part 2 |
| Reprinted | from Mighty Samson (Gold Key, 1964 series) #7 (September 1966) |