A space miner is blasting the planet apart and the Robinsons have to leave even though Smith wants to stay and become rich.

Smith finds the course back to earth, but a space female lures Smith out of the ship. Saving him would again leave the crew of the Jupiter 2 lost in space.

Smith makes the Jupiter 2 land on a planet occupied by cyborgs.

The Robinsons encounter a hermit who plans to attack the Jupiter 2.

A space circus comes to town and the owner wants Will to run away with it.

The Intergalactic Space Tribunal put the Robinsons on trial for various crimes

Dr Smith orders an android who they teach to be more human. A salesman shows up looking for payment

! Smith offers to help space gladiators, who travel through space. They agree to take him to Earth - if he wins a fight, but If he loses, he - and Earth'll be destroyed

Will, Penny and Dr Smith get involved with a thief who's on a quest to find a princess.

Smith's cousin, Jeremiah shows up, which can't be for a good reason..

A wanted intergalactic gunfighter (and Smith's doppelganger) switches places with him.

An alien harp's found, which opens a gateway to a planet which is - or isn't - hell.

The robot's stolen to create more robots so they can conquer Earth.

Doctor Smith trades the Robinsons' emotions - in exchange for a trip home.

Penny's caught in the middle of a war between the leaders of 2 aliens species. One's named Keema, the 'gooden man'. The other's an ugly, toad-like alien

The same woman who lured Smith into space returns still in love with Smith. He agrees to return to her dimension and Will gets turned green.

A space knight is following the questing beast who Penny becomes friends with.

Smith and Will find a toymaker's world inside an alien merchandise-ordering machine.

A space pirate looking for his crew that mutinied finds Will and Dr. Smith trying to repair his empty ship.

Through some harmless playacting, Dr. Smith unintentionally conjures up the magical gauntlets and war hammer of the Norse god Thor. Taking him for a mighty warrior, Brynhilda spirits Smith off to Asgard for a showdown with Thor.

A space wizard conjures up a spaceship so that Doctor Smith can return to Earth.

Shortly before lift-off, Dr. Smith discovers a cave inhabited by devices, which are the remnants of a once-mighty civilization; the Draconians. As the countdown draws near, Dr. Smith falls ever-more-so under the influence of the Draconians.

In this quasi-sequel to The Sky Pirate (1966), Will's reunited with Captain Tucker, who along with his crew are searcing for a legendary lost treasure. The key to finding the booty is a metallic talking head in a box.

In the second of two sequels to The Android Machine (1966), Verda's sheltered by the Robinsons after she's marked for destruction by the Celestial Department Store. To that end, the store dispatches a killer android: IDAK (Instant Destroyer And Killer).

A female alien meets the Robinsons and uses them to help erect an arch to bring her people to colonize the Robinsons' planet.

While in the Valley of Shadows the Robot is affected by strange forces and grows to the size of a building. Will and Dr. Smith enter the Robot to try to reverse the process and save him.

While John and Maureen are away observing volcanic activity, the alien scientist Lemnoc captures Don, Judy, Penny, and Dr. Smith and replaces them with android duplicates. Lemnoc then forces Will and the Robot to train the duplicates in survival skills, hoping that they will be an inspiration to his own people, who are losing the will to live.

The planet is invaded by an army of tiny robots who closely resemble the Robinsons' Robot and proclaim him as their long-predicted king. The Robot agrees to become their king, but when he is not the ruthless ruler they expected, they decide that he needs some "Dr. Smith" in him.

Will and Dr. Smith find a cave that transports them to Earth, 19th-century Scotland.

Penny will not give up the belt entrusted to her by an alien even if it means their deaths.