1The Crash
In this, the pilot episode, a sub-orbital aircraft named the Spindrift flying from New York (Los Angeles in later episodes) is pulled into a space warp which transports its crew and passengers into another dimension. The ship eventually lands on a planet where everything is 12 times larger than normal. In their first night on the planet they are attacked by a giant cat and two of their party , Captain Steve Burton and jet set heiress Valerie Scott, are captured by a pair of giant scientists but are eventually rescued by the rest of the castaways. Unfortunately, they soon realize that for the time being they are stuck on this strange world.
4Underground
The castaways are contacted by someone claiming to be from Earth and who promises to help them get back home. However, they soon find out that the "earthman" is really a giant scientist who is part of an underground movement bent on overthrowing the planet's totalitarian government. He then makes a deal with Steve and the others that if they help him retrieve some information on some political prisoners that he will help them get back home.
5Terror-Go-Round
Fitzhugh and Barry get caught by a traveling circus act, using a bear to keep other little people to make them escape. Mark and Commander Burton must find a way to divert the kidnappers attention. However the rest are caught and Burton must find a way, maybe the help of the boy who travels with them to escape from this fate to be sold at a carnival...
6The Flight Plan
The castaways meet a supposedly amnesiac man from Earth. They decide to take him in against Steve's better judgment. It is soon revealed that the "little person" is a giant who has taken a drug to shrink himself down to the size of the earthlings. He eventually kidnaps Betty and takes her to their hideout with hopes the others will follow so they can be captured.
7Manhunt
A prison escapee tries to hide from policemen. While Steve, Mark and Fitzhugh are away, the prisoner takes the Spindrift with the rest of the crew inside. However, he falls in a quicksand pit with the spaceship. The threesome must get the giant out of the instable ground before he sinks with the ship and what's inside...
9The Creed
While out foraging for food, Barry collapses in pain and it soon becomes apparent that he is suffering from appendicitis. It is then decided that Betty, who has nurses training, will perform the operation. Steve and Mark then go to a local hospital to get the supplies needed for the operation. However, they soon encounter sympathetic Doctor Brulle, who decides to help the castaways and supply them with a medical kit that was on another ship that crashed on the planet on one condition; that Fitzhugh helps to translate a medical encyclopedia that is written in German. After the terms are agreed upon, the doctor supplies them with the medical kit and the rest of the castaways transport Barry to a clearing in the forest for the operation. Unfortunately, a janitor who felt the doctor was treating him badly, follows the doctor and reports him to the police.
11The Weird World
The castaways find a tape recorder which has the taped log of Major Kegan, an astronaut who crash landed on the planet with his crew a few years earlier. Barry is later captured by the paranoid Kegan, who thinks that the castaways are working with the giants. However, they later convince him that they are not and he agrees to help them go to the giant's science center to help retrieve his ship, which is being examined by their scientists. However, when they get there Kegan does not enter with them due to the fact that he remembers that something horrible is in there and it killed his crew. However, when the castaways are being chased by a giant scientist he must conquer his fear and save them.
12The Golden Cage
The crew finds a woman of their size while on a trek. Mark falls in love with her, who in return, invites him to her home. Burton tries to convince Mark that this is a trap set to become a guinea pig for the Giants. However, blinded by love, Mark is unable to make up his mind, even that his urge ends up with a fight with the commander itself...
16On a Clear Night You Can See Earth
17Deadly Lodestone
The SID uses a new type of metal detector in its pursuit of the castaways. The detector is programmed to key in on an alloy that is only found on Earth. They hide any and all objects made of the alloy except for one. Unfortunately, the one object they can't hide is a surgical pin in Dan's leg, which was used to fix a broken leg he suffered while competing in the Olympics. They then decide to try to contact their old friend Dr. Brule, who is now in prison after he was caught helping them when Barry needed an operation to remove his appendix. However, Brule and his nurse are being forced by Kobick and the warden at the prison to go ahead with the operation as a way to capture Dan and the others.
18Night of Thrombeldinbar
Fitzhugh is captured by an orphan while trying to flee from a gypsy and his monkey. The kid brings him to a orphanage, where he and his friend think he is an elf called Trumbelindar. However, their minder, who is not keen since he missed his vacation because of them, gives them a hard time. However, Barry told Commander Burton and his crew to free Fitzhugh from the children. However, the two orphans escape and falls into the old gypsy, who is interested by the small pawn the children has in the bag...
20Target: Earth
A giant scientist has invented a device that is to be used as a guidance system for their space program. Unfortunately, it is flawed and has failed a critical test. Mark, going against Steve's orders, decides to help fix the problem and in return the scientist promises to help them return to Earth. However, the wife of the scientist is jealous of Mark and feels that any help he gives her husband will help to discredit him and as a result she reports what is going on to Inspector Kobick.
21Genius at Work
Barry and Fitzhugh befriend a 12-year old scientific genius named Jodar (Jody) who has invented a substance which causes growth. While talking to the boy, Barry's dog Chipper eats some of the formula and grows to gigantic size. After seeing this, Fitzhugh decides to eat some with the idea that he will no longer have to worry about being hunted down. However, he is mistaken for a giant who was accused of nearly killing a boy. Also, Fitz is found with some of the money he stole back on Earth he is taken to SID headquarters for questioning. When Steve finds out, he goes to Jody and takes some of the formula as part of a plan to get Fitzhugh out of jail and to try to find the man who Fitz was mistaken for.
22Return of Inidu
The castaways befriend a giant magician named Inidu after he saves them from a couple of giant bullies. Inidu tells them that he is on the run after being falsely accused of murder when someone died as a result of one his tricks going horribly wrong. Later, his protégée, a young magician named Enog, who was always ambitious, admits to sabotaging the trick as part of a plan to supplant his teacher. Unfortunately, Enog captures Valerie and threatens to kill her unless Inidu reveals his greatest trick to him.
23Rescue
The little people are witness to an attempt to save two children from a cave-in accident. Since the earth is too instable, the little people proposes to the parents to find a way to let the children escape successfully. But Inspector Kobrick gets aware of this plan, and might find a way to capture the little people once the rescue is done...
25Shell Game
A near-bankrupted giant wants to find a way to help his deaf son. He soon capture several of the little people who were hiding in the shells. Since they notice he is deaf and Mark wants to find a way to help the boy get an earing aid, he suggests, despite the reticence of the family, since hosting little people is a crime, but at the end, they accepted, knowing that maybe this earing aid might get him financially viable...
26The Chase
A gang of rebels are attacking the Secret Police headquarters. Inspector Kobick needs the help of the Little People promising their freedom if he catches them. However, he keeps Betty in hostage, while Burton and Mark are going under the city's sewers to track them down, as they are also counterfeiters...
1The Mechanical Man
A huge robot that is even bigger than many of the giants that the castaways have encountered accidentally destroys a store and in the process kills a policeman. Steve, Mark and Fitzhugh, who were scavenging for food and supplies witness this and in the process Mark and Fitzhugh are captured. They are then brought to the laboratory of its creator Professor Gorn who offers to help them return to Earth if they can help him fix the flaw in his creation. They eventually do and the robot works perfectly. Unfortunately, Gorn double crosses them and decides to turn them over to the SID.
3The Inside Rail
While visiting a racetrack to gather horsehair to be used for cables for the electrical system, Fitzhugh gets a case of gambling fever. He decides to use his horse playing knowledge to place a few bets using a bum as an intermediary. Unfotunately, a track security official finds out what's going on and starts hunting down the castaways and winds up capturing Mark, Valerie and Betty.
4Deadly Pawn
A giant industrialist named Kronig, who happens to not only be one of the richest men on the planet of the giants but is also champion chess player as well, captures Val, Dan, Barry and Fitzhugh in order to use them as pawns in his chess game. Steve and Mark attempt a rescue, but they are also captured. Kronig later challenges them to a game of chess and if they win he will set them free, but if they lose he will turn them in to the SID. However, the best player among the castaways is Barry. Barry takes up the challenge and now must take on the giant, who has a history of mental instability.
5The Unsuspected
While being pursued by the SID, Steve sprains his ankle and hides under a mushroom. While he is hiding, he accidentally gets covered by its spores and begins acting strangely. Later, Betty, Val, Fitzhugh and Mark all disappear. Dan eventually figures out that the spores have made Steve paranoid and that he has captured all his friends and is planning on turning them into Kobick. Now Dan must race against time to not only save the others, but to try to snap his best friend out of his paranoid state.
6Giants and All That Jazz
A musician, threatened by thugs for a money debt, abducts Valerie and Barry and wants to report them to S.I.D. for the reward. Fitzhugh who escaped brings Dan, Steve and Mark to free them. However, the musician has second thoughts and hesitates about reporting them, but when Dan encounters the Giant, he suggests the way he can be successful is to being shown some jazz lessons. The thugs are suspicious of this new talent improvement and tries to exploit him. In the meanwhile, Fitzhugh is also abducted by the musician's strange neighbor: a snake charmer !
7Collector's Item
A penniless man wants to kill his uncle once he puts him on his will. Knowing he collects all kind of weird gadgets, he purchases a music box with a doll dancer. However, once he notices Valerie, he abducts her and put her in the cage as he asks to dance in the cage for her uncle. The little people gets aware of this, but also knows that the man has put explosives under the music box, putting Valerie's life in danger.
8Every Dog Needs a Boy
While playing with a giant dog, Chipper is injured when the dog sneezes and it causes him to hit a wall. Against Steve's orders, Barry, along with Val, goes to the veterinarian's office where the dog is being kept. They then meet his young assistant who agrees to help save Chipper. Unfortunately, the vet's lazy son finds out and holds Barry and Val hostage. The young man also was responsible for the dog that Chipper was playing with to run away. Now Steve, Mark, Dan and Fitzhugh must not only save Barry and Val, but also find the giant dog, which was a valuable movie dog, before it is too late.
11Comeback
Steve, Mark, Val and Fitzhugh are captured by a washed up actor after they prevent him from jumping off a freeway overpass. Hey then takes them to a movie studio where he persuades a director to use him as well as the little people in a film. Unfortunately, the director puts them in some very dangerous situations in which they narrowly escape death. The actor has a change of heart and tries to free them but he is locked in a closet. It is now up to Dan and Barry to try to save their fellow castaways before its too late.
12A Place Called Earth
A pair of time travelers from Earth's distant future are sent back to the past by their superiors on a mission of observation. However, the pair use the trip to plot for the eventual takeover of Earth in the future by wiping out most of mankind with a deadly virus and using the planet of the giants as a staging base. They eventually run into the castaways and use them as unwitting accomplices to their plot. Eventually Steve, Mark and the others find out the pair's scheme and try to stop them before they change mankind's future.
13Land of the Lost
While the castaways are collecting fireworks at a carnival for gun powder to use to make explosives, Barry is injured when a young giant boy shoots off a roman candle. Steve, Mark and Valerie take him into a miniature balloon gondola to keep him from getting hit by more sparks, but the balloon is accidentally released and heads for the sky. They immediately are caught in an incredible windstorm and are taken to the other side of the planet where they find a society run by the dictator Titus. Titus can't believe that there is another society on the other side of the planet and orders Steve to go back and bring back proof with the ultimatum that if he doesn't return within hours that Mark, Val and Barry will be killed.
16Nightmare
While working on a small nuclear reactor invented by a sympathetic giant scientist, the castaways are accidentally exposed to strange radiation that causes them to seemingly vanish or experience wild hallucinations. They then try to find a way to alleviate the symptoms. However, while Steve, Mark and Dan are away, an impatient Fitzhugh activates the device and it gets dangerously close to critical mass.
18The Secret City of Limbo
24Wild Journey
Steve and Dan meet up with a pair of time travelers from another planet. The two pilots wind up stealing the device the pair uses for their travels and use it to go back to the day the Spindrift crashed on the planet of the giants in order to prevent the accident from happening. However, the two time travelers have followed them and warn the pair that if they do change history there is a good chance that when the Spindrift crashes that this time no one will survive.
