25 episodesFirst aired 21 September 1969
E1Sept 19691h
The Earthlings become involved in a scientist's scheme to build an indestructible android.
E2Sept 19691h
The Earthlings come to the aid of a convicted criminal who has been falsely accused.
E3Oct 19691h
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.
E4Oct 19691h
The Earthlings must play a game of real-life chess with a demented giant industrialist.
E5Oct 19691h
Steve is turned into a raving paranoid by exposure to mushroom spores, and cuts a deal with Inspector Kobick to betray his crewmates.
E6Oct 19691h
The Earthlings aid a giant trumpet player against crooks.
E7Nov 19691h
Valerie is forced to act as a toy ballerina in a giant's scheme to kill his rich uncle.
E8Nov 19691h
When Chipper is injured by a giant dog, Barry and the others must turn to a giant veterinarian and his sadistic son for assistance.
E9Nov 19691h
Fitzhugh is captured by the owner of a wax museum who is involved in a stolen-diamond racket.
E10Nov 19691h
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.
E11Nov 19691h
A giant scientist performs cloning experiments on the Earthlings.
E12Dec 19691h
Two time travellers from 5477 come to the Land of the Giants to conquer Earth.
E13Dec 19691h
Barry and Valerie are carried off in a balloon to a distant land ruled by a malevolent dictator.
E14Dec 19691h
Fitzhugh and Steve accidentally return to Earth in a space-time pod but end up in 1900 and must deal with hostile villagers.
E15Dec 19691h
The Earthlings become involved with a superstitious Irish Giant who believes they're leprechauns.
E16Jan 19701h
While working with a helpful Giant scientist, the Earthlings are subjected to radiation which causes strange hallucinations.
E17Jan 19701h
An alien piper, claiming to be the Pied Piper of Hamlin, brings his act to the Land of the Giants.
E18Jan 19701h
The Earthlings become involved in the politics of a secret underground city.
E19Jan 19701h
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.
E20Feb 19701h
Mark is framed for the murder of two Giants and begins acting suspiciously, turning his crewmates against him.
E21Feb 19701h
The Earthlings become involved in a sabotage scheme to destroy the nearby city.
E22Feb 19701h
A sadistic child unleashes his mechanical toys on the hapless Earthlings.
E23Mar 19701h
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.
E24Mar 19701h
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.
E25Mar 19701h
The Earthlings become involved with twin brothers who are plotting to take over the planet.