Season
- Season 3 1967-09-06
- Season 2 1966-09-16
- Season 1 1965-09-15
- Season 0
Episode
- Episode 1: Blast Off into Space
- Episode 2: Wild Adventure
- Episode 3: The Ghost Planet
- Episode 4: Forbidden World
- Episode 5: Space Circus
- Episode 6: The Prisoners of Space
- Episode 7: The Android Machine
- Episode 8: The Deadly Games of Gamma 6
- Episode 9: The Thief from Outer Space
- Episode 10: The Curse of Cousin Smith
- Episode 11: West of Mars
- Episode 12: A Visit to Hades
- Episode 13: The Wreck of the Robot
- Episode 14: The Dream Monster
- Episode 15: The Golden Man
- Episode 16: The Girl From the Green Dimension
- Episode 17: The Questing Beast
- Episode 18: The Toymaker
- Episode 19: Mutiny in Space
- Episode 20: The Space Vikings
- Episode 21: Rocket to Earth
- Episode 22: The Cave of the Wizards
- Episode 23: Treasure of the Lost Planet
- Episode 24: Revolt of the Androids
- Episode 25: The Colonists
- Episode 26: Trip Through the Robot
- Episode 27: The Phantom Family
- Episode 28: The Mechanical Men
- Episode 29: The Astral Traveler
- Episode 30: The Galaxy Gift
Lost in Space Season 2 Space Circus
The space family Robinson is sent on a five-year mission to find a new planet to colonise. The voyage is sabotaged time and again by an inept stowaway, Dr. Zachary Smith. The family's spaceship, Jupiter II, also carries a friendly robot who endures an endless stream of abuse from Dr. Smith, but is a trusted companion of young Will Robinson
