The Quests and their friends becomes trapped on an abandoned freighter with a sea monster.
A Yeti terrorizes a Tibetan village when he appears in a nearby palace.
Dr. Quest is kidnapped by a scientist who has developed a method for creating monstrous animals.
The Quests help a scientist whose valuable formula is being sought by enemy agents.
The Quest group discovers the source of a swamp's pollution - a hidden missile factory.
The group discovers a Nazi running a tribe of cavemen in Africa.
An accident in a lab creates a destructive creature made of pure energy.
The kids and Bandit are shipwrecked and adopted by apes.
Dr. Quest's new submarine is stolen by foreign agents.
Gold-smugglers try to scare Quest away from his nearby research site by using rumors of werewolves.
Quest unwittingly uses his new fire-extinguishing bomb on Zin's volcano.
The Quests stumble across a mine manned by enslaved workers overseen by a crippled owner and his trained pterodactyl.
The group investigates an island being terrorized by man-eating lizards.
Race and the boys crash-land in a jungle, where they have trouble with the local pygmies.
The Quests investigate voodoo on a small island.
When Jonny finds a treasure-filled underseas shipwreck, the Quest ship is hijacked.
Preteen Jonny Quest, the son of a renowned scientist, is a bold and brainy kid whose life is filled with intrigue, espionage, and nonstop excitement.
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