Genre: Science Fiction, Adventure, Fantasy
Premise: The Robinson family was supposed to set off on a five-year mission to explore a distant planet, but an act of sabotage by the scheming Dr. Zachary Smith -- who managed to get himself trapped aboard the spaceship -- leaves them adrift in space for three years. The Robinsons, pilot Don West, Dr. Smith and their trusty robot move from planet to planet, always searching for a way to return to Earth.
S01, E29 (First Aired: Apr. 27, 1966)
An ancient alien alters John's personality while gradually taking over his body.
S02, E01 (First Aired: Sep. 14, 1966)
Smith's dealings with a prospector (Strother Martin) threaten to maroon the ship on a disintegrating planet.