February 5, 1980 • 1h 24m
Episode 1 of Season 4 premiered on February 5, 1980
March 4, 1980 • 1h 24m
Episode 2 of Season 4 premiered on March 4, 1980
April 22, 1980 • 1h 24m
Episode 3 of Season 4 premiered on April 22, 1980
May 6, 1980 • 1h 24m
Episode 4 of Season 4 premiered on May 6, 1980
June 17, 1980 • 1h 24m
Episode 5 of Season 4 premiered on June 17, 1980
July 8, 1980 • 1h 24m
Episode 6 of Season 4 premiered on July 8, 1980
August 12, 1980 • 1h 24m
Episode 7 of Season 4 premiered on August 12, 1980
September 9, 1980 • 1h 24m
Episode 8 of Season 4 premiered on September 9, 1980
October 21, 1980 • 1h 24m
Episode 9 of Season 4 premiered on October 21, 1980
November 25, 1980 • 1h 24m
Episode 10 of Season 4 premiered on November 25, 1980
December 23, 1980 • 1h 24m
Episode 11 of Season 4 premiered on December 23, 1980