The Spindrift crashes on the Land of the Giants and its crew and passengers quickly find themselves in a struggle for survival.

The Earthlings find themselves trapped in an Earth-sized town run by a giant eccentric and his sadistic daughter.

When a giant hobo is framed for murder, the Earthlings come to his aid.

The Earthlings become involved in an underground resistance in the giant civilization.

Barry and Fitzhugh are captured by giant Gypsies.

The Spindrift crew find an amnesiac Earthling, Joe, but it turns out to be a ploy by giant crooks to get hold of the ship's power supply.

A giant escaping convict takes the Spindrift but then wanders into quicksand, endangering everyone.

The Earthlings try to salvage radium from a clock but find themselves at the mercy of giant scientists using a sound detector to home in on them.

Barry is strick by appendicitis and the Earthlings have no choice but to turn to a giant doctor for assistance.

An amnesiac Fitzhugh falls in with two giant thieves and becomes their willing accomplice.

The Spindrift crew finds a paranoid survivor from Earth...but his suspicions endanger everyone.

Mark falls for an attractive Earth girl - the survivor of a previous space flight.

This time around, four punk kids from Earth run up against the Spindrift crew.

The Giants have invented a chemical that forces those exposed to it to tell the truth, and plan to test it on the Earthlings.

When the giants increase their search efforts, the Earthlings must increase their salvage efforts and end up captured by a giant and his daughter.

The Earthlings become involved with an insane giant scientist who has infra-red goggles he can use to find them whenever he wants.

The Giants have invented a detector that can home in on Earth-based metals, and Dan puts the entire group at risk due to the surgical pin in his leg.

Fitzhugh pretends to be an elf to entertain two orphan children, but things turn deadly when it's revealed that traditionally the children sacrifice the elf to make a wish come true.

Kobick uses a captured Chipper as bait in a trap to capture the entire Spindrift crew.

Mark is roped into helping two giant scientists build a spaceship that can return them all to Earth.

A giant boy-genius comes up with a pill that can enlarge an Earthling to Giant-size.

The Earthlings come to the aid of a giant magician.

After the Earthlings are inadvertently responsible for two children becoming trapped in a well, they volunteer their servicse to rescue them.

The Spindrift crew must deal with the head of Police Security, who is attempting to undermine a Senator who believes in their cause and frame the Earthlings for sabotage.

Inspector Kobick of the SID involves the Earthlings in a plan to track down counterfeiters.

The Earthlings become involved in a scientist's scheme to build an indestructible android.

The Earthlings come to the aid of a convicted criminal who has been falsely accused.

Fitzhugh tries to use his gambling expertise to pick the winners at a local racetrack, but has to enter into a deal with a giant to do so.

The Earthlings must play a game of real-life chess with a demented giant industrialist.

Steve is turned into a raving paranoid by exposure to mushroom spores, and cuts a deal with Inspector Kobick to betray his crewmates.

The Earthlings aid a giant trumpet player against crooks.

Valerie is forced to act as a toy ballerina in a giant's scheme to kill his rich uncle.

When Chipper is injured by a giant dog, Barry and the others must turn to a giant veterinarian and his sadistic son for assistance.

Fitzhugh is captured by the owner of a wax museum who is involved in a stolen-diamond racket.

The Spindrift come to the aid of a has-been horror actor but during his comeback movie they find themselves in danger from his enthusiastic director.

A giant scientist performs cloning experiments on the Earthlings.

Two time travellers from 5477 come to the Land of the Giants to conquer Earth.

Barry and Valerie are carried off in a balloon to a distant land ruled by a malevolent dictator.

Fitzhugh and Steve accidentally return to Earth in a space-time pod but end up in 1900 and must deal with hostile villagers.

The Earthlings become involved with a superstitious Irish Giant who believes they're leprechauns.

While working with a helpful Giant scientist, the Earthlings are subjected to radiation which causes strange hallucinations.

An alien piper, claiming to be the Pied Piper of Hamlin, brings his act to the Land of the Giants.

The Earthlings become involved in the politics of a secret underground city.

A friendly Giant has a teleport device that can send the Spindrift crew back to Earth, but the SID use the whole thing as a trap.

Mark is framed for the murder of two Giants and begins acting suspiciously, turning his crewmates against him.

The Earthlings become involved in a sabotage scheme to destroy the nearby city.

A sadistic child unleashes his mechanical toys on the hapless Earthlings.

The Earthlings aid an injured puppeteer by pretending to be his dancing puppets, but the owner soon suspects they are involved and prepares to capture them for the reward.

Using a device stolen from time-travelling researchers, Steve and Dan return to the day of the Spindrift's launch and try to alter history and stop the ill-fated flight.

The Earthlings become involved with twin brothers who are plotting to take over the planet.