The Quests land themselves in the middle of a seafarers fantastic and nightmarish dilemma.

Dr. Quest surprise visit to his friend Raj Guru in the high Himalayas of Nepal coincides with a storm that drives the yeti from the mountain into the old palace, or so it would seem.

A Mad Scientist kidnaps Dr. Quest in Hong Kong.

Dr. Quest and the team are on their way to visit Prof. Erickson and his latest invention. But there are sinister forces at play who want to get the formula to the latest invention, and one of its agents are pretending to be a gargoyle. Jonny started noticing strange things much sooner, first the submarine periscope, then noticed the gargoyle moved, but noone believed him and thought it's just boy's imagination after all the talk about ghosts in the spooky castle they are visiting.

Dr. Quest sends weather balloon up that ends up crashing on a unclimbable mountain, the quests find more than they bargained for when attempting to retrieve the sensor package.

While hunting for petrified wood samples in the forests of Canada, Dr. Quest is threatened by a gang of lumberjacks (one of whom disguises himself as a werewolf) intent on protecting their gold smuggling operation.

While investigating unusual eruptions on a tropical island, Dr. Quest discovers a secret ray gun base (operated by his nemesis, Dr. Zin, and protected by hovercraft-mounted guards), hidden deep within a local volcano.

While searching for a rare strategic mineral in the Amazon jungle, Dr. Quest discovers a pteranodon trained by a wheelchair-bound slave driver to capture native workers needed for his mining operation.

The Quest's visit an old colleague, a renowned biologist who became an insane breeder of vicious monster lizards.

While researching marine biology in the Caribbean, Dr. Quest discovers a phony witch doctor, who is protecting a secret submarine base (under construction by a criminal contractor) with his supposed voodoo powers.

Pirates are after the treasure from a sunken Spanish galleon. They force Jonny to search for it. Bandit saves the day.

The Quests are forced to make an emergency landing in the Andes and meet the Baron. The Baron challenges Race to an air duel. A giant Condor appears and comes to Race's aid.

The Quests travel to Thailand to study a drug. Dr. Zin captures Race and replaces him with a double trained to steal the drug. The real Race is revealed with a kiss.

Doctor Quest is working on a advanced secret weapon in a lab, a strange craft lands and a black sphere emerges. Dr. Quest takes the sphere into his lab for further inspection with unforeseen results.

In India, local citizens are becoming sick from what appears to be nerve gas poisoning.

The Quest's explore Mayan ruins and encounter bandits looking for hidden treasure.

The Quest's head to India to discover the source of fake gold.

A malfunctioning rocket crashes in the Arctic.

A foreign power utilizes lizard men to keep prying eyes away from it's operations in the Sargasso Sea.