• Air date: 15 Sep '65 30 episodes
      Lost in Space is a science fiction TV series created and produced by Irwin Allen, filmed by 20th Century Fox Television, and broadcast on CBS. The show ran for three seasons, with 83 episodes airing between September 15, 1965, and March 6, 1968. The first TV season was filmed in black and white, but the remainder were filmed in color. In 1998, a Lost in Space movie, based on the TV series, was released. Though the original TV series concept centered on the Robinson family, many later story lines focused primarily on Dr. Zachary Smith, played by Jonathan Harris. Originally written as an utterly evil but extremely competent would-be saboteur, Smith gradually becomes the troublesome, self-centered, incompetent foil who provides the comic relief for the show and causes most of the episodic conflict and misadventures. Smith was not in the un-aired pilot and neither was the robot. A meteor storm in the un-aired pilot put them off course. In the first aired episode, Smith's sabotage and unintended...
  • List of Episodes (30)
    • 0. No Place to Hide

    • 1. The Reluctant Stowaway

      15 Sep '65
      In the year 1997 the Robinson family take off to colonise Alpha Centuri. A spy from a foreign country AKA Dr. Smith becomes trapped aboard trying to sabotage the project. The ship is whisked off course and into a meteor storm due to Dr Smith's extra weight upsetting navigational computers. Smith, despartely tries to save himself by reviving the crew. The result: the Robinson family becomes lost in space.
    • 2. The Derelict

      22 Sep '65
      The jupiter 2 is pulled into a giant alien spaceship where there are advanced bubble like creatures.While John and Don look for maps and equipment Dr Smith and Will look for trouble.
    • 3. Island in the Sky

      29 Sep '65
      Professor Robinson attempts to explore a planet that the Robinson's are planning to land on. His para-jet propulsion system fails due to sabotage by Dr. Smith. Major West "lands" the Jupiter II, in spite of the fact that Dr. Smith has also sabotaged the propulsion system of the Jupiter II, and the family and Major West rescue Professor Robinson.
    • 4. There Were Giants in the Earth

      06 Oct '65
      John 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.
    • 5. The Hungry Sea

      13 Oct '65
      Professor Robinson discovers that the planets orbit will bring immense heat on the spaceship. With that knowledge the Robinson's take off in the chariot and head south. However back at the Jupiter two, Dr Smith who stayed behind because he believed them to be lying, realises that the orbit is strange, bringing immense cold followed by extreme heat. He sends the Robot to tell them, and they then attempt to travel back to the Jupiter 2. However in their way is a huge in-land sea which previously
    • 6. Welcome Stranger

      20 Oct '65
      Jimmy Hapgood lands on the planet and the Robinsons befriend him.After helping him fix his spaceship the Robinsons try and convince him to take Will and Penny back to Earth with him.But Dr Smith trys to get aboard the ship back to Earth.
    • 7. My Friend, Mr. Nobody

      27 Oct '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.
    • 8. Invaders from the Fifth Dimension

      03 Nov '65
      Luminous aliens capture Dr Smith and plan to replace thir burnt out computer with his brain.Smith bargains with them and they attempt to use Wills brain instead.
    • 9. The Oasis

      10 Nov '65
      Smith eats some alien fruit which leads him into being a giant.Convinced it was the Robinsons trying to kill him he plots to take them out.
    • 10. The Sky Is Falling

      17 Nov '65
      The Robinsons can not understand the language of a visitig family also on the planet. The aliens are called Taurons, and come to use the planet as a new colony. However Dr Smith causes problems between the two camps when he panics and draws a gun on the new family. The Tauron's end up not liking the planet and want to be alone, so they leave.
    • 11. Wish Upon a Star

      24 Nov '65
      The Robinson family banish Smith from the Jupiter 2.He takes refuge in an abandoned spaceship where he finds a machine that can materilise anything.In an attempt to get back into the Robinsons good books he gives them the machine which plays on the familys greed.
    • 12. The Raft

      01 Dec '65
      Actually, Will and Dr. Smith went into an elongated orbit and landed right back on the planet, not too far from the Jupiter II.
    • 13. One of Our Dogs Is Missing

      08 Dec '65
      The women of Lost in Space are featured in their very own episode while the boys are out installing communications equipment. Smith is left in charge (boy is that a mistake) and he ""cleans"" their weapons, but cannot remember how to rebuild the weapons. This leaves the J2 crew defenseless. A creepy creature stalks the Robinson women however they think a small dog is to blame for raids on food and other mischief.
    • 14. Attack of the Monster Plants

      15 Dec '65
      Plants grow to huge proportions and can duplicate any item placed in them - but those items are made of plant material and are useless. John Robinson must use the biggest batch of plant killer he's ever mixed up to stop these things from engulfing the spaceship.
    • 15. Return from Outer Space

      29 Dec '65
      Lost in Space's only Christmas program. 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. Will escapes the family home he's in, and wanders around these clueless bunch of townspeople, but finds carbon tetrachoride - needed for the food processors on the Jupiter. Eventually he convin
    • 16. The Keeper (1)

      12 Jan '66
      The Keeper, played by Michael Rennie, is a zoo keeper. He wants to take the children and add them to his collection. This episode is the only two parter from the series.
    • 17. The Keeper (2)

      19 Jan '66
      The second part of the zookeeper played by Michael Rennie. Rennie turns in a memorable performance as The Keeper. His understated performance keeps dramatic tension where none would probably exist with a lessor actor.
    • 18. The Sky Pirate

      26 Jan '66
      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. Tucker befriends Will by telling tall tales about being a pirate, but it turns out that he is only an ordinary man being pursued by aliens because he has stolen a mind reading device from them. Tucker returns the mind reading device to his alien pursuers, saving the Robinsons in the process.
    • 19. Ghost in Space

      02 Feb '66
      Dr. Smith holds a seance to contact his Uncle Thaddeus. Instead a spirit creature is contacted and creates havoc for the Robinsons. It is later discovered that the ""spirit creature"" is a physical creature, rendered invisible by the properties of the ""ionized gas"" in the bog from which it came.
    • 20. War of the Robots

      09 Feb '66
      Will and Dr. Smith stumble upon another robot. More capable than their own robot the alien robot works to gain the confidence of the Robinsons. At a critical point he plans to transport them to his home planet as slaves.
    • 21. The Magic Mirror

      16 Feb '66
      Penny and Judy stumble upon a mirror. They discover someone is on the otherside. Before they know it they are transported to the mirror universe which is occupied by only one person, a boy who is lonesome for companionship.
    • 22. The Challenge

      02 Mar '66
      An alien boy is sent to Priplanis to validate his prince status. Will is drawn into a battle to the death unbeknowest to his father. Once his real intentions are known John substitutes himself in the challenge and the Alien Ruler substitutes himself for his son.
    • 23. The Space Trader

      09 Mar '66
      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.
    • 24. His Majesty Smith

      16 Mar '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 expendible leaders. Smith is just one of a long line of sacrificed rulers.