March 15, 1979
Episode 1 of Season 12 premiered on March 15, 1979
June 14, 1979 • 50m
Episode 2 of Season 12 premiered on June 14, 1979
October 11, 1979
Episode 3 of Season 12 premiered on October 11, 1979
December 20, 1979
Episode 4 of Season 12 premiered on December 20, 1979