February 10, 1979
Episode 1 of Season 4 premiered on February 10, 1979
March 3, 1979
Episode 2 of Season 4 premiered on March 3, 1979
April 14, 1979
Episode 3 of Season 4 premiered on April 14, 1979
September 29, 1979
Episode 4 of Season 4 premiered on September 29, 1979
October 20, 1979
Episode 5 of Season 4 premiered on October 20, 1979
November 17, 1979
Episode 6 of Season 4 premiered on November 17, 1979
December 1, 1979
Episode 7 of Season 4 premiered on December 1, 1979