The WORST episodes of Lost in Space
Every episode of Lost in Space ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Lost in Space!
A space colony family struggles to survive when a spy/accidental stowaway throws their ship hopelessly off course.
#1 - Mutiny in Space
Season 2 - Episode 19 - Aired 2/1/1967
Will and Dr. Smith pursue the first mate who marooned Admiral Zahrt on their planet.
#2 - Rocket to Earth
Season 2 - Episode 21 - Aired 2/15/1967
Smith is keen for the job of sorcerer’s apprentice after learning that a space magician’s rocket ship can reach Earth in a few hours.
#3 - The Space Vikings
Season 2 - Episode 20 - Aired 2/8/1967
Smith finds the golden hammer of the Norse god Thor and blunders into a twilight zone of the gods.
#4 - Castles in Space
Season 3 - Episode 14 - Aired 12/20/1967
A bandit threatens to hold Will until the Robinsons hand over a defrosted ice princess.
#5 - Treasure of the Lost Planet
Season 2 - Episode 23 - Aired 3/1/1967
A space pirate demands that Dr Smith lead him to a buried treasure.
#6 - Princess of Space
Season 3 - Episode 17 - Aired 1/10/1968
Penny agrees to impersonate a long-lost princess to help quash a computer uprising.
#7 - The Colonists
Season 2 - Episode 25 - Aired 3/15/1967
A female warrior captures the Robinson party and puts the men to work preparing for the arrival of more conquering colonists.
#8 - The Toymaker
Season 2 - Episode 18 - Aired 1/25/1967
Will and Smith are trapped in a four-dimensional toyshop, where a toymaker mistakes them for playthings.
#9 - The Questing Beast
Season 2 - Episode 17 - Aired 1/11/1967
Will learns the meaning of chivalry and honor when he serves as page to a knight-errant.
#10 - A Day at the Zoo
Season 3 - Episode 12 - Aired 11/29/1967
The space travelers try desperately to end a day at the zoo in which they have become specimens.
#11 - The Haunted Lighthouse
Season 3 - Episode 7 - Aired 10/18/1967
The Robinsons are endangered by a youngster who has put himself in control of their imaginations.
#12 - The Phantom Family
Season 2 - Episode 27 - Aired 3/29/1967
An alien scientist gives Will 24 hours to teach his androids how to act like humans.
#13 - The Great Vegetable Rebellion
Season 3 - Episode 23 - Aired 2/28/1968
The Robinsons land on a planet where plants talk and seek revenge against the animal world.
#14 - Two Weeks in Space
Season 3 - Episode 13 - Aired 12/13/1967
Smith turns the Jupiter 2 into a hotel for humanoids, unaware that they are fugitives from space justice.
#15 - Space Beauty
Season 3 - Episode 21 - Aired 2/14/1968
Trouble begins when Dr. Smith tricks Judy into entering an enigmatic dictator’s beauty contest.
#16 - The Astral Traveler
Season 2 - Episode 29 - Aired 4/12/1967
While exploring a mysterious cave, Will is transported through space to a haunted Scottish castle.
#17 - Revolt of the Androids
Season 2 - Episode 24 - Aired 3/8/1967
The Robinsons place their lives in jeopardy when they become involved in a revolt of half-human androids.
#18 - Junkyard in Space
Season 3 - Episode 24 - Aired 3/6/1968
A galactic junkman threatens to melt down the Jupiter 2 and cannibalize the Robot.
#19 - The Galaxy Gift
Season 2 - Episode 30 - Aired 4/26/1967
Aliens enlist Dr Smith’s help to obtain a valuable amulet that could destroy the galaxy.
#20 - Space Destructors
Season 3 - Episode 6 - Aired 10/11/1967
Dr Smith activates a robot-manufacturing machine that turns out an army of obedient automatons.
#21 - The Prisoners of Space
Season 2 - Episode 6 - Aired 10/19/1966
The Galaxy Tribunal of Justice contacts the travelers to tell them they will be tried for crimes committed in space.
#22 - The Girl from the Green Dimension
Season 2 - Episode 16 - Aired 1/4/1967
Will is green! Smith must fight the evil Urso to restore Will’s normal color.
#23 - West of Mars
Season 2 - Episode 11 - Aired 11/23/1966
Dr Smith is mistaken for a notorious outlaw.
#24 - Kidnapped in Space
Season 3 - Episode 3 - Aired 9/20/1967
Mechanical men threaten the travelers with death unless someone can fix their robot leader.
#25 - Forbidden World
Season 2 - Episode 4 - Aired 10/5/1966
The Robinsons are trapped on a fog-shrouded planet.