Lost in Space Season 3 Episode 9 Collision of Planets ( Air Date 1967-11-08 ) Genre Sci-Fi & Fantasy, Comedy category. Overview "The Robinson's come across a group of space hippies who are trying to destroy the planet the Robinson's currently inhabit. Up up to the Robinson's and Dr. Smith to stop them or they will all be doomed.".
Lost in Space Season 3 Episode 9 Collision of Planets
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- Watch: Lost in Space Season 3 Episode 9 Collision of Planets on CWR-CRB
- Stars: Guy Williams, June Lockhart, Mark Goddard, Marta Kristen, Angela Cartwright, Bill Mumy, Jonathan Harris, Dick Tufeld, Bob May
- Director: Howard Lydecker, Irwin Allen, L.B. Abbott, John Williams, Lionel Newman, Walter M. Scott, Anthony Wilson, Jack Martin Smith, Gerald Endler, Leonard A. Engel, Don Hall, Johnny Borgese
