Archie Giant Series Magazine #587

In "Explorers of the Unknown! Part One," Red Andrews shares thrilling tales of adventure with a TV audience when a sudden emergency call cuts him off—summoning his fellow Explorers. Spike, Nitro, Wheels, Squint, and Gizmo each receive the same urgent signal, pulling them into a mission that’s already underway. As the team prepares to face their next challenge, Dr. Zarkon watches from the shadows, plotting his next move.

In "Explorers of the Unknown! Part Two," Hiram Lodge teams up with Angel and her father to confront a vengeful scientific mind threatening both his corporation and Riverdale. With the group split—Red, Angel, and Gizmo racing to stop Dr. Zarkon’s schemes, while Spike, Nitro, Wheels, and Squint defend the town from his monstrous creations—the stakes rise in this high-stakes adventure.

In "Explorers of the Unknown! Part Three," Red, Angel, and Gizmo struggle to survive after their craft is shot down, while Nitro, Squint, Wheels, and Spike each devise their own clever tactics to confront Zarkon’s four menacing monsters. The tension builds as the team’s resourcefulness is tested in a high-stakes battle for survival.

In "Explorers of the Unknown! Part Four," the team is summoned to defend Lodge properties from a wave of monstrous attacks unleashed by the vengeful Dr. Zarkon. With danger closing in and the stakes higher than ever, the Explorers must use their wits and courage to face threats that defy explanation.