Lost in Space

CBS (ended 1968)




Episode Guide

  • Season 1
    • In the year 1997, the Robinson family is cryogenically suspended before their launch into space in the space-saucer Gemini 12 on man's first mission to colonize a planet orbiting Alpha Centauri.

      Soon after leaving Earth, a meteor swarm sends the Gemini 12 spiraling out of control, ending in a crash landing on an unknown planet. The Robinsons survive the crash and set up camp, but their preparations to head south to avoid the sudden onset of the cold season are hampered by One-Eye, the giant cyclops, trapping John and Don in a cave.

      After Will saves the men, and Penny is recovered after a turtle ride, the travellers journey to the tropics encountering along the way, the One-Eye again, fierce electrical storms, an underground city and a stormy sea crossing where they become caught in a whirlpool.

    • 9/15/65
      As the Robinson family prepares to leave Earth to colonize Alpha Centauri, a spy from a foreign country, Zachary Smith, becomes trapped aboard while trying to sabotage the space vehicle. After liftoff, the ship is whisked off course and into a meteor storm due to Dr. Smith's extra weight upsetting the navigational computers. In and attempt to save himself, Smith revives the crew early, resulting in the Robinson family with Smith becoming Lost In Space.moreless
    • The Derelict
      Episode 2

      The Jupiter 2 is pulled into a giant alien spaceship where there are advanced rock-like creatures. John and Don look for maps and equipment while Dr. Smith and Will look for trouble.

    • 9/29/65

      Professor Robinson attempts to explore a planet that the family is planning to land on. Dr. Smith has sabotaged his para-jet propulsion system, causing it to fail. Smith has also sabotaged the propulsion system of the Jupiter 2. Major West crash lands the ship on the planet so that he and the family can rescue the Professor.

    • 10/6/65

      Professor Robinson discovers that the planet they are on will travel further from the sun. In an attempt to survive, the Robinsons pack up and head south. Dr. Smith stays at the Jupiter 2 site while the Robinson family encounter a terrifying Cyclops and an ancient deserted city.

    • The Hungry Sea
      Episode 5

      Professor Robinson discovers that the planet's orbit will bring immense heat on the spaceship. With that knowledge, the Robinsons take off in the Chariot and head south. Dr. Smith stays behind because he believes them to be lying, but soon realizes the orbit is odd. There are periods of extreme cold followed by equally extreme heat. The Robot is sent to tell the Robinsons and they try to return to the Jupiter 2. They must brave various geographical areas and the strange weather before returning to the Jupiter 2 where they are most safe.

    • Welcome Stranger
      Episode 6

      Astronaut Jimmy Hapgood lands on the planet and the Robinsons befriend him. After Jimmy fixes his spaceship, the Robinsons try and convince him to take Will and Penny back to Earth with him. However, Dr. Smith tries to get aboard the ship to get back to Earth instead.

    • 10/27/65
      Penny "imagines" a new companion, which is a disembodied life force living below the surface. Dr. Smith accidentally injures Penny leading to the creature taking his anger out on the entire planet.
    • Luminous aliens capture Dr. Smith with the plan to replace their burnt out computer with his brain. Smith bargains with them, and they decide to use Will's brain instead.

    • The Oasis
      Episode 9

      Dr. Smith eats some alien fruit, which turns him into a giant. He becomes convinced that giving him the fruit was the Robinsons trying to kill him. So he plots to take them out.

    • The Sky Is Falling
      Episode 10

      A visiting family of aliens, called Taurons, have decided to use the Robinsons' planet as a new colony. Although the Robinsons cannot understand the language of a visiting family they welcome them to live in peace and harmony. However, as usual, Dr. Smith causes problems when he panics and draws a gun on the alien family.

    • Wish Upon A Star
      Episode 11

      The Robinson family banishes Smith from the Jupiter 2. He takes refuge in an abandoned spaceship where he finds a machine that can materialize anything. In an attempt to get back into the Robinson's good standing, he gives them the machine, which plays on the family's greed.

    • The Raft
      Episode 12
      The Robinsons manage to construct a small space ship that they plan to use to return to Earth.
    • 12/8/65

      While the men are away, an alien creature stalks the Robinson women from the shadows. The girls just think it's a small dog that is to blame for raids on food and other mischief.

    • 12/15/65

      The Robinson family discover a large alien plant that can duplicate whatever it is fed. Dr. Smith steals the ship's remaining fuel with the intention of feeding it to the alien plant, hoping to double the fuel supply.

    • 12/29/65

      Will uses an alien transporter to send himself back to Earth. However, many people believe the Robinson family to be dead after hearing the ship went off course. Nobody on Earth believes him, and they lock him up with the intention of sending him to a boys' home.

    • The Keeper (pt 1)
      Episode 16

      A zoo keeper who travels the universe wants to take Will and Penny and add them to his vast collection of celestial animals.

    • The Keeper (pt 2)
      Episode 17

      The Robinsons are given the option to turn Penny and Will over to The Keeper or face certain death.

    • The Sky Pirate
      Episode 18
      The Robinsons meet a space traveler who turns out to be an Earth man, Alonzo P. Tucker, who was abducted from Punxsutawney, Pennsylvania, by aliens, in 1876.
    • Ghost In Space
      Episode 19

      Dr. Smith holds a seance to contact his Uncle Thaddeus. Instead a "spirit" creature is contacted and creates havoc for the Robinsons.

    • War Of The Robots
      Episode 20

      Will Robinson and Dr. Smith stumble upon another robot on the planet that is even more capable than their own. The alien robot sets out to gain the confidence of the Robinson family because, at a future critical point, he plans to transport them to his home planet as slaves.

    • The Magic Mirror
      Episode 21

      Penny and Judy stumble upon a mirror on the planet. But it's not an ordinary mirror as it seems that there is someone on the "other side". Before they know it they are transported to the mirror universe that is occupied by only one person, a boy who is lonesome for companionship.

    • The Challenge
      Episode 22

      An alien boy is sent to Priplanis to validate his prince status. Will Robinson is drawn into a battle to the death, unbeknown to his father. Once his real intentions are known, John Robinson substitutes himself in the challenge and the alien ruler substitutes himself for his son.

    • The Space Trader
      Episode 23
      After the entire Robinson food supply is wiped out in a freak storm a trader arrives to trade food for equipment the Robinson's possess.

      Dr. Smith trades the robot for food and hoards the supplies for himself. Later, after the Robinson's discover his transaction he gets the robot back but in exchange for his own self. The Trader then wants to take Smith as a slave, to another planet.moreless
    • His Majesty Smith
      Episode 24
      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.
    • The Space Croppers
      Episode 25
      Space farmers who grow deadly plants move to Priplanis.
    • All That Glitters
      Episode 26

      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.

    • 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.
    • A Change Of Space
      Episode 28

      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.

    • Follow The Leader
      Episode 29

      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.

  • Season 2
  • Season 3
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