Lost in Space

CBS (ended 1968)




Watch Lost in Space Online

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  • Full Episodes (84)
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  • All (84)
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  • Season 3 (24)
  • Season 2 (30)
  • Season 1 (30)
  • Revolt of the Androids

    Full Episode

    S 2 : Ep 24 - 3/8/67

    Penny meets up with Verda, the android Dr. Smith ordered, who is on the run from a super android, IDAK. She is now much more human-like. IDAK however is faulty and is incapable of crushing anything or anyone. Another OMEGA-IDAK is released, and vows to "crush, kill, destroy".moreless
  • Treasures of the Lost Planet

    Full Episode

    S 2 : Ep 23 - 3/1/67

    Alonzo P. Tucker returns, this time more in keeping with the pirate character he tried to create in his first appearance. This time Tucker is searching for Billy Bones' treasure, and is using the head of Billy Bones, which is kept in a box, to help him find it.moreless
  • The Cave of the Wizards

    Full Episode

    S 2 : Ep 22 - 2/22/67

    Dr. Smith hits his head on a rock and goes into the depths of a cave where he finds a mummy. Meanwhile, the family have to leave the planet at 8:00am, while also having to rescue Dr. Smith.moreless
  • Rocket to Earth

    Full Episode

    S 2 : Ep 21 - 2/15/67

    The crew are outside playing ball when a magician called Zalto appears. Dr. Smith uses Zalto to conjure up a space ship so he can use it to get back to Earth.
  • The Space Vikings

    Full Episode

    S 2 : Ep 20 - 2/8/67

    A storm looms up and the two gloves of Thor appear from space and straight into the waiting hands of Dr. Smith. He is then taken away to see the real Thor who will decide his fate.moreless
  • Mutiny in Space

    Full Episode

    S 2 : Ep 19 - 2/1/67

    Dr. Smith's finds an alien ship and wants to use it to get back to earth, but he doesn't count for the owner of the ship admiral Zahik to turn up and wreck his plans.moreless
  • The Toymaker

    Full Episode

    S 2 : Ep 18 - 1/25/67

    Dr. Smith discovers another android machine in the middle of a dangerous fissure. When he tries to order something, he is trapped inside the machine. Later when Will tries to get him out, he too is sucked in. Zumdish arrives on the planet in order to destroy the faulty, forgotten machine. Meanwhile, Will and Dr. Smith discover the magical Toymaker's world, as they are mistaken for toys.

  • The Questing Beast

    Full Episode

    S 2 : Ep 17 - 1/11/67

    Will and Dr. Smith are confronted by a knight, who says he is on a quest to seek out and destroy the beast Gundemar. Penny, meanwhile, meets Gundemar and befriends her. Will becomes the pageboy of the knight. When it is discovered that the beast is woman, the knight is unsure whether he can still kill it, leading him to question his life's future.moreless
  • The Girl From the Green Dimension

    Full Episode

    S 2 : Ep 16 - 1/4/67

    Athena, the girl from the green dimension who hypnotised Dr. Smith during their space flight, arrives on the planet. She is still in love with Dr. Smith, which he uses to bribe her to help him see the future. However, he promises to go back to the green dimension with her, and when Athena's previous suitor arrives and turns Will green, Dr. Smith must find a way to save himself and Will.moreless
  • The Golden Man

    Full Episode

    S 2 : Ep 15 - 12/28/66

    While the rest of the men are away, Dr. Smith and the Robinson women are confronted by a mysterious man in gold, who claims to be at war with a race of green aliens. Penny meets the green alien, and takes a liking to him, and immediately starts to hate the Golden Man.moreless
  • The Dream Monster

    Full Episode

    S 2 : Ep 14 - 12/21/66

    During a heat wave, Penny comes across a giant, golden man, and his owner. She is told that the creature is called Raddion, a creation which only needs human emotions to be complete. When Dr. Smith is removed from the camp, he is taken by two midgets who work with Raddion, and in another attempt to be returned to Earth, agrees to steal the emotions from the Robinsons.moreless
  • Wreck of the Robot

    Full Episode

    S 2 : Ep 13 - 11/14/66

    While playing a outdoor match, Will and Smith's ball explodes. As the smoke clears they find that the ball has turned to gold. Later, when the ball rolls into a cave, aliens in the cave demand that the ball should be traded for the robot.moreless
  • A Visit to Hades

    Full Episode

    S 2 : Ep 12 - 12/7/66

    Dr. Smith, Will and the Robot discover an old harp under a carved out rock. They discover that in playing the right tune, it unlocks a passage to another world. In travelling here, Dr. Smith meets an alien who believes to be the devil, and believes the place to be Hell. When he leaves, and the alien shows up on the planet, Dr. Smith is frightened. Judy befriends the alien, and is accidentally taken to the other world. It is up to Don and John to save her.moreless
  • West of Mars

    Full Episode

    S 2 : Ep 11 - 11/30/66

    Dr. Smith is confronted by an identical look-alike called Zeno, who is on the run from the law. Zeno makes him trade places and Dr. Smith, out of fear, confesses to Zeno's crimes. He is arrested and he and Will are taken away to appear in court.moreless
  • Curse of Cousin Smith

    Full Episode

    S 2 : Ep 10 - 11/16/66

    When Dr. Smith's cousin Jeremiah Smith arrives on the planet, everyone welcomes him, except Dr. Smith. Dr. Smith alienates himself from the family, and refuses to return until his cousin leaves. It is later discovered that Jeremiah's reasons for being on the planet are far deadlier than anyone imagined.moreless
  • The Thief from Outer Space

    Full Episode

    S 2 : Ep 9 - 11/9/66

    A person know as "the thief from outer space" appears in a puff of smoke, Will agrees help help him rescue a princess who was lost more than 200 years ago by evil vizier.moreless
  • The Deadly Games of Gamma 6

    Full Episode

    S 2 : Ep 8 - 11/2/66

    When a troop of Galactic Gladiators arrive on the planet, they challenge Professor Robinson to a duel, which will be aired all of the galaxy. John declines saying he isn't interested in physical combat. Dr. Smith takes up the offer when he makes a deal that if he wins, he will be returned to Earth. Unbeknownst to him, if he loses, which is a near-certainty, Earth will be destroyed.moreless
  • The Android Machine

    Full Episode

    S 2 : Ep 7 - 10/26/66

    Will and Dr. Smith discover an old abandoned android machine. When Dr. Smith plays with the buttons on the machine, he accidentally orders an android. He thinks he has it for free, and uses her as his personal slave, assuming she has no emotions.moreless
  • The Prisoners Of Space

    Full Episode

    S 2 : Ep 6 - 10/19/66

    The Robinson family and Major West are imprisoned in their camp after being indicted to appear before a court for space crimes. As the trial begins, Dr. Smith's name begins to appear and it is not long before everyone realizes that all of the Robinson's "crimes" should be attributed to Smith, and he is indicted to appear before the court.

  • Space Circus

    Full Episode

    S 2 : Ep 5 - 10/12/66

    The Robinson family go through a food crisis when their plant purifier breaks down. Will and Dr. Smith discover a travelling show of circus people, and Will is later tricked in to agreeing to join. It's a race against time for the Robinsons to save will, and keep themselves alive.moreless
  • Forbidden World

    Full Episode

    S 2 : Ep 4 - 10/5/66

    The Jupiter 2 is hit by a missile and crash lands on a fog-shrouded planet. The Robinsons discover that the planet is ruled over by a strange, but deadly alien.
  • The Ghost Planet

    Full Episode

    S 2 : Ep 3 - 9/28/66

    Due to Dr. Smith's actions, the crew of the Jupiter II has had to land their ship on a alien planet which is run by cyborgs. The crew must rescue their crippled robot and then try to break free from the captors, even though the cyborgs promise them power and luxury for the rest of their lifes.

  • Wild Adventure

    Full Episode

    S 2 : Ep 2 - 9/21/66

    After leaving their planet, Dr. Smith manages to plot a course back to Earth.

  • Blast Off into Space

    Full Episode

    S 2 : Ep 1 - 9/16/66

    Dr. Smith and Will befriend an old miner named Nerim. After a series of earthquakes indicates that the planet is breaking up, Dr. Smith tries to convince them that it is merely the effects of mining, and no harm will come to the planet. John informs him that he is wrong and that the Robinson family will be departing within the day. It is a race against time to escape the crumbling planet.moreless
  • Follow The Leader

    Full Episode

    S 1 : Ep 29 - 4/27/66

    John Robinson becomes possessed by an alien creature who forces the family to prepare to return to the creature's home world, even if it requires that he sacrifice Will to keep his secret from the rest of the family.

  • A Change Of Space

    Full Episode

    S 1 : Ep 28 - 4/20/66

    The Intergalactic Delivery Service comes to Priplanus. Once again Dr. Smith seeks transportation and has Will "test drive" the spaceship. Will returns much smarter than when he left. Smith, realizing the same increase of intellect could happen to him, boards the spaceship. His trip, however, ends in his rapid aging and subsequent impending death.

  • The Lost Civilization

    Full Episode

    S 1 : Ep 27 - 4/13/66

    The Robinson men discover an underground civilization while exploring the planet. Will wakes a sleeping princess who wants him to remain and rule with her.
  • All That Glitters

    Full Episode

    S 1 : Ep 26 - 4/6/66

    Penny is given a gift by a thief on the run, who tells her to protect it for him. She and Dr. Smith discover that it leads them to a ring which, when worn, allows the person to turn anything to platinum, which Dr. Smith does. Unfortunately, the ring also turns their food into the metal too and food is always in short supply.

  • The Space Croppers

    Full Episode

    S 1 : Ep 25 - 3/30/66

    Space farmers who grow deadly plants move to Priplanis.
  • His Majesty Smith

    Full Episode

    S 1 : Ep 24 - 3/16/66

    Dr. Smith is conscripted as the leader of a people from another world. Little does he know that the leaders of these people are routinely sacrificed and replaced with other expendable leaders. Smith is just one of a long line of sacrificed rulers.moreless
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