• Air date: 06 Sep '75 13 episodes
      Rick Marshall and his children Will and Holly were on a weekend expedition rafting trough a river when an enormous earthquake diverts them to an eclectic alien world inhabited by dinosaurs, chimpanzee-like cavemen called Pakuni, and aggressive, humanoid creatures called Sleestak.
  • List of Episodes (13)
    • 1. Tar Pit

      06 Sep '75
      When Dopey gets stuck in a tar pit, the Marshalls and Cha-Ka band together to try to pull him out.
    • 2. The Zarn

      13 Sep '75
      While investigating the Mist Marsh, the guys stumble onto a mysterious woman who has a bit too much in common with Rick.
    • 3. Fair Trade

      20 Sep '75
      When Rick stumbles into a pig trap with three Sleestak, Will and Holly turn to Enik and Ta for help rescuing him.
    • 4. One of Our Pylons is Missing

      27 Sep '75
      When a mysterious energy hole appears in the ground and swallows Cha-Ka, Holly attempts a rescue.
    • 5. The Test

      04 Oct '75
      Cha-Ka gets some help from Will and Holly stealing one of Big Alice's eggs to pass the Pakuni rite of manhood test.
    • 6. Gravity Storm

      11 Oct '75
      The Zarn is to blame when gravity begins weighing down the inhabitants of the Land of the Lost.
    • 7. The Longest Day

      18 Oct '75
      When the sun stands still, the Sleestak wrongfully blame Rick for tampering with the pylon.
    • 8. The Pylon Express

      25 Oct '75
      Holly tries to save Rick and Will after they go into a pylon to investigate a time door.
    • 9. A Nice Day

      01 Nov '75
      A quiet day of fishing, trap building and cake making turns serious when Holly is pricked by a poisonous plant.
    • 10. Baby Sitter

      08 Nov '75
      When Holly spends the night alone with Cha-Ka, the Zarn causes a rift between Cha-Ka and Ta.
    • 11. The Musician

      15 Nov '75
      While searching the temple in the Lost City, Holly gets a ring stuck on her finger and Cha-Ka unwittingly awakens the Builder.
    • 12. Split Personality

      22 Nov '75
      Following an earthquake, a specter that resembles Holly materializes and pleads for help.
    • 13. Blackout

      29 Nov '75
      Enik seeks Rick's help when the Sleestak execute a nefarious plan to plunge the world into darkness and overpopulate it with their offspring.