The crew of the Enterprise encounters an ageless and mischievous race of psychic humanoids who claim to have organized their society around Ancient Greek ideals.

For trespassing on an alien world, Captain Kirk and his companions are forced to re-enact the famous shoot out at the O.K Corral with themselves cast as the losing side.

A mysterious alien device on a planet with a predominantly American Indian culture erases Captain Kirk’s memory, and he begins a life with them as a member of their tribe.

The Enterprise travels with an alien ambassador who must travel inside a special case because his appearance causes insanity.

The crew of the Enterprise rescues a group of children stranded on a planet, along with their evil “imaginary” friend

Captain Kirk pursues aliens who have stolen Spock’s brain.

The crew of the Enterprise attempts to steal a Romulan cloaking device.

Responding to a maritime distress call in the Java Sea, the Quest family is stranded aboard an abandoned freighter ship with an (amphibious) sea monster.

During a Quest family trip to Nepal, a band of terrorists in Yeti disguise attempt to overthrow the local spiritual/government leader (a Dalai Lama-style figure) who is an old friend of Dr. Quest’s.

Dr. Quest is kidnapped by a rival scientist who needs help with his experiments to create giant (crab, spider, and lizard) creatures at a secret laboratory compound in Hong Kong.

On a visit to the castle residence of a fellow scientist in Norway, Dr. Quest must help protect his friend’s latest invention (an anti-gravity generator) from a cat-burglar, disguised as a gargoyle on the roof, who regularly breaks into the

While investigating the contamination of fish in China, Dr. Quest discovers a secret missile base (operated by a rogue general and protected by tree-top posted guards) hidden deep within a local swamp.