Three teens are shrunk to six inches in height by a mad scientist.
Cast:Jay Robinson , Billy Barty , Ted Eccles , Susan Lawrence , Jeff MacKay , Gordon Jump , Clint Howard , Keye Luke , James Driskill , Sam Hiona , Jean Ross , Robert Kino , Jesse Dizon , Titus Napoleon , Albert Gonzales Jr. , Victor Sen Yung , Bob Basso , Chuck Bergansky
Dr. Shinker sends a monkey out to capture the shrinkies and soon discovers the beast has no loyalty when the monkey helps the shrinkies escape.
Dr. Shrinker captures Brad then replaces him with a robot duplicate programmed to lead B.J. and Gordie into a trap.
The shrinkies are captured after Dr. Shrinker's electro sismopilizer makes it impossible for them to hide underground. It also activates a volcano which Dr. Shinker needs calming down.
After Hugo deduces the reason the Dr. Shrinker has been unable to capture the shrinkies is that he is too big, Dr. Shrinker uses the shrink ray on himself to deal with the shrinkies at their own size.
A government agent who washes up on shore could be the key to the shrinkies' rescue.
Brad, B.J. and Gordie have hopes of being rescued when a government agent washes up on shore; however, Dr. Shinker captures the man and learns he was in possession an important nuclear defence system document.
Dr. Shrinker gets more than he bargained for when he invents berries that give the Shrinkies the power of invisibility.
Gordie is returned to normal size with no memory of who he is, so Dr. Shinker and Hugo convince him that he is Dr. Shinker and that he must come up with a plan to capture Brad and B.J.
After leaning Dr. Shinker intends on selling his shinker ray to a master illusionist, the shrinkies set out to convince the man he has been conned and that the ray does not work.
Utilizing a false idol, Dr. Shrinker tricks the island natives to do his bidding.
A pair of divers arrive on the island with a treasure chest, and they soon stumble upon the Shrinkies.
When Hugo breaks out with splotchalaria, the Shrinkies scour the island for wonga berries to cure him.
A young Chinese prince finds a trader in his entourage soon after arriving on the island.