| Issue | #599 |
| Published | October 1989 |
| Cover Price | 0.95 USD |
| Pages | 36 |
| Editing | Victor Gorelick; Richard Goldwater (editor-in-chief) |
| Notes | 2nd Explorers of the Unknown appearence. |
| Characters | Explorers of the Unknown [Red [Archie Andrews]; Squint [Jughead Jones]; Wheels [Betty Cooper]; Gizmo [Dilton Doiley]; Spike [Moose Mason]]; Dr Gloom |
| Genre | teen; adventure |
| Pencils | Rex W. Lindsey (signed) |
| Inks | Rex W. Lindsey (signed) |
| Notes | 2nd Explorers of the Unknown appearence. |
| Characters | Explorers of the Unknown [Red [Archie Andrews]; Angel [Veronica Lodge]; Nitro [Reggie Mantle]; Squint [Jughead Jones]; Wheels [Betty Cooper]; Gizmo [Dilton Doiley]; Spike [Moose Mason]; Dr. Gloom; Dr. Zarkon; Humpfrey (Gloom's henchman) |
| Synopsis | After being thrown in jail, Dr. Zarkon activates another monster, this time a pigeon the size of a 747. Meanwhile, Gizmo and Wheels are flying to Blatvaria, the home of Hector Von Gloom, alias Dr. Gloom, when the sad Dr. attacks their plane. |
| Genre | teen; adventure |
| Script | Rich Margopoulos |
| Pencils | Rex Lindsey |
| Inks | Jon D'Agostino |
| Colors | Barry Grossman |
| Letters | Mindy Eisman |
| Notes | Dr. Gloom is a parody of Dr. Doom (Victor Von Doom) from Marvel Comics. |
| Characters | Archie Andrews |
| Script | Rod G. Ollerenshaw (signed as RGO) |
| Pencils | Rod G. Ollerenshaw (signed as RGO) |
| Inks | Rod G. Ollerenshaw (signed as RGO) |
| Colors | Barry Grossman |
| Letters | Rod G. Ollerenshaw (signed as RGO) |
| Notes | Word matching game. |
| Characters | Explorers of the Unknown [Red [Archie Andrews]; Angel [Veronica Lodge]; Nitro [Reggie Mantle]; Squint [Jughead Jones]; Wheels [Betty Cooper]; Gizmo [Dilton Doiley]; Spike [Moose Mason]; Dr. Gloom |
| Synopsis | The giant pigeon flies to New York and news of an airliner being hijacked to Blatvaria travels quick. Red then splits the team: he, Spike and Squint will journey to Blatvaria to rescue Wheels and Gizmo, while Nitro and Angel deal with the monster pigeon. |
| Genre | teen; adventure |
| Script | Rich Margopoulos |
| Pencils | Rex Lindsey |
| Inks | Jon D'Agostino |
| Colors | Barry Grossman |
| Letters | Mindy Eisman |
| Characters | Explorers of the Unknown [Red [Archie Andrews]; Angel [Veronica Lodge]; Nitro [Reggie Mantle]; Squint [Jughead Jones]; Wheels [Betty Cooper]; Gizmo [Dilton Doiley]; Spike [Moose Mason]; Dr. Gloom |
| Synopsis | Angel gives Nitro an idea for dealing with the giant pigeon, while Spike defeats one of Gloom's robots. Then Red, Squint and Spike find Gizmo and Wheels in Dr. Gloom's torture chamber. |
| Genre | teen; adventure |
| Script | Rich Margopoulos |
| Pencils | Rex Lindsey |
| Inks | Jon D'Agostino |
| Colors | Barry Grossman |
| Letters | Mindy Eisman |
| Characters | Archie Andrews; Betty Cooper; Jughead Jones; Veronica Lodge; Dilton Doiley; Nancy Woods |
| Genre | teen |
| Notes | an anti-drugs public service announcement. |
| Characters | Explorers of the Unknown [Red [Archie Andrews]; Angel [Veronica Lodge]; Nitro [Reggie Mantle]; Squint [Jughead Jones]; Wheels [Betty Cooper]; Gizmo [Dilton Doiley]; Spike [Moose Mason]; Dr. Gloom |
| Synopsis | In Gloom's torture chamber, he subjects the team to worst thing of all: the panned flute maestro Blanfir. He then lets the Explorers' go free. Meanwhile Nitro and Angel set up a large pigeon balloon from the last Thanksgiving's Day Parade that decoys the monster pigeon. The decoy and the smitten monster then travel to Blatvaria, where Nitro programmed a computer to take the 2 giants. |
| Genre | teen; adventure |
| Script | Rich Margopoulos |
| Pencils | Rex Lindsey |
| Inks | Jon D'Agostino |
| Colors | Barry Grossman |
| Letters | Mindy Eisman |
| Characters | Fred Flintstone; Barney Rubble |
| Synopsis | Barney disguises himself as a female amateur bowler who coos over the legendary Fred Flintstone. While Fred shows off, Barney gets Fred's Fruity and Cocoa Pebbles. |
| Genre | children; humor; ad |
| Notes | Located on the inside back cover. |