| Issue | #9 |
| Published | February-March 1977 |
| Frequency | bi-monthly |
| Cover Price | 0.50 USD |
| Pages | 52 |
| Editing | Denny O'Neil |
| Characters | Challengers of the Unknown [Ace Morgan; Red Ryan; Prof Haley; Rocky Davis] |
| Genre | adventure |
| Pencils | Rich Buckler (signed) |
| Inks | Jack Abel (signed) |
| Characters | Challengers of the Unknown [Ace Morgan; Red Ryan; Prof Haley; Rocky Davis]; Dr. Chrislow |
| Synopsis | Dr. Chrislow has placed a bomb inside a volcano hoping to set off a chain reaction that will destroy the Earth. While trying to stop him the Challengers discover an dying civilization living inside the volcano. |
| Genre | adventure |
| Script | Steve Skeates |
| Pencils | James Sherman |
| Inks | Jack Abel |
| Characters | Wonder Woman |
| Genre | Superhero |
| Pencils | Curt Swan |
| Inks | Vince Colletta |
| Synopsis | An overview of other people who almost became members of the Challengers of the Unknown. |
| Letters | Typeset |
| Characters | Green Arrow [Oliver Queen]; Speedy [Roy Harper]; Professor Hagen; Arrowcar; Arrowplane; Brave Turtle (Medicine Man) |
| Synopsis | Green Arrow and Speedy land in a remote valley that is still occupied by Sioux Indian warriors. |
| Genre | superhero |
| Script | Dick Wood |
| Pencils | Jack Kirby |
| Inks | Jack Kirby; Roz Kirby (backgrounds) |
| Reprinted | from Adventure Comics (DC, 1938 series) #254 (November 1958) |
| Characters | Doom Patrol [The Chief [Niles Caulder] (origin); Negative Man [Larry Trainor]; Elasti-Girl [Rita Farr]; Robotman [Cliff Steele]]; General Immortus [as The Baron] (villain) |
| Synopsis | Origin of the Chief. |
| Genre | superhero |
| Script | Arnold Drake |
| Pencils | Bruno Premiani |
| Inks | Bruno Premiani |
| Notes | Chapter 1. Parts 2 and 3 of this story are in the following issue. The Doom Patrol costumes are re-colored here to match the newer design. |
| Reprinted | from Doom Patrol, The (DC, 1964 series) #88 (June 1964) |