April 14, 1979 • 5m
Episode 1 of Season 4 premiered on April 14, 1979
May 12, 1979 • 5m
Episode 2 of Season 4 premiered on May 12, 1979
February 25, 1978 • 5m
Episode 3 of Season 4 premiered on February 25, 1978
December 10, 1977 • 5m
Episode 4 of Season 4 premiered on December 10, 1977
November 19, 1977 • 5m
Episode 5 of Season 4 premiered on November 19, 1977
October 29, 1977 • 5m
Episode 6 of Season 4 premiered on October 29, 1977
September 24, 1977 • 5m
Episode 7 of Season 4 premiered on September 24, 1977
November 26, 1977 • 5m
Episode 8 of Season 4 premiered on November 26, 1977
August 26, 1977 • 5m
Episode 9 of Season 4 premiered on August 26, 1977
March 24, 1979 • 5m
Episode 10 of Season 4 premiered on March 24, 1979
July 2, 1977 • 5m
Episode 11 of Season 4 premiered on July 2, 1977
June 25, 1977 • 5m
Episode 12 of Season 4 premiered on June 25, 1977
September 14, 1977 • 5m
Episode 13 of Season 4 premiered on September 14, 1977
September 10, 1977 • 5m
Episode 14 of Season 4 premiered on September 10, 1977
October 22, 1977 • 5m
Episode 15 of Season 4 premiered on October 22, 1977
October 1, 1977 • 5m
Episode 16 of Season 4 premiered on October 1, 1977
April 8, 1978 • 5m
Episode 17 of Season 4 premiered on April 8, 1978
October 8, 1977 • 5m
Episode 18 of Season 4 premiered on October 8, 1977
June 18, 1977 • 5m
Episode 19 of Season 4 premiered on June 18, 1977
January 28, 1978 • 5m
Episode 20 of Season 4 premiered on January 28, 1978
November 12, 1977 • 5m
Episode 21 of Season 4 premiered on November 12, 1977
March 11, 1978 • 5m
Episode 22 of Season 4 premiered on March 11, 1978
February 4, 1978 • 5m
Episode 23 of Season 4 premiered on February 4, 1978
December 24, 1977 • 5m
Episode 24 of Season 4 premiered on December 24, 1977
June 11, 1977 • 5m
Episode 25 of Season 4 premiered on June 11, 1977
October 15, 1977 • 5m
Episode 26 of Season 4 premiered on October 15, 1977