<Li> Lost in Space (1998 film) </Li> <Li> Lost in Space (2018 TV series) </Li> <P> Lost in Space is an American science fiction television series created and produced by Irwin Allen . The series follows the adventures of a pioneering family of space colonists who struggle to survive in a strange and often hostile universe after their ship is sabotaged and thrown off course . The show ran for three seasons, with 83 episodes airing between 1965 and 1968 . The first season was filmed in black and white, with the second and third seasons filmed in color . </P> <P> Although the original concept (depicted in the pilot episode "No Place to Hide", not aired until 1997) centered on the Robinson family, many later storylines focused primarily on Dr. Zachary Smith, played by Jonathan Harris . Smith and Robot B - 9 were both absent from the unaired pilot, as the addition of their characters was only decided upon once the series had been commissioned for production . </P>

When did the original lost in space series air