January 18, 1980 • 1h
Episode 1 of Season 4 premiered on January 18, 1980
February 1, 1980 • 1h
Episode 2 of Season 4 premiered on February 1, 1980
March 14, 1980 • 1h
Episode 3 of Season 4 premiered on March 14, 1980
April 11, 1980 • 1h
Episode 4 of Season 4 premiered on April 11, 1980
May 9, 1980 • 1h
Episode 5 of Season 4 premiered on May 9, 1980
June 6, 1980 • 1h
Episode 6 of Season 4 premiered on June 6, 1980
July 4, 1980 • 1h
Episode 7 of Season 4 premiered on July 4, 1980
August 8, 1980 • 1h
Episode 8 of Season 4 premiered on August 8, 1980
August 29, 1980 • 1h
Episode 9 of Season 4 premiered on August 29, 1980
September 26, 1980 • 1h
Episode 10 of Season 4 premiered on September 26, 1980
October 24, 1980 • 1h
Episode 11 of Season 4 premiered on October 24, 1980
November 14, 1980 • 1h
Episode 12 of Season 4 premiered on November 14, 1980