First Aired: Apr. 20, 1966 on CBS
Season 1 » Episode #28 - A Change of Space
Summary: When an intergalactic delivery service lands on Priplanus, Dr. Smith decides to have Will give their ship a test run. When he arrives back to home base, Will suddenly has increased intelligence while Dr. Smith becomes an aged man. Noticing his new found smartness, Dr. Smith gives the spacecraft a drive expecting the same results, but winds up even older.
Who appeared in this episode?