Lost in Space (1965)
0 factual errors in season 1 - chronological order
Starring: Guy Williams, June Lockhart, Mark Goddard, Marta Kristen
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Other mistake: In one of the opening scenes with Will and Dr Smith, the Robot's power pack is clearly missing.
Dr. Smith: Oh, the pain, the pain.
The Great Vegetable Rebellion - S3-E23
Trivia: Due to their uncontrollable laughter during filming of the infamous "Vegetable Rebellion" episode, Guy Williams and June Lockhart were written out of the next two episodes.