June 1, 1972
Episode 1 of Season 1 premiered on June 1, 1972
April 21, 1973
Episode 2 of Season 1 premiered on April 21, 1973
November 22, 1973
Episode 3 of Season 1 premiered on November 22, 1973
April 25, 1974
Episode 4 of Season 1 premiered on April 25, 1974
September 26, 1974
Episode 5 of Season 1 premiered on September 26, 1974
June 26, 1975
Episode 6 of Season 1 premiered on June 26, 1975
October 23, 1975
Episode 7 of Season 1 premiered on October 23, 1975
April 8, 1976
Episode 8 of Season 1 premiered on April 8, 1976
October 28, 1976
Episode 9 of Season 1 premiered on October 28, 1976
April 28, 1977
Episode 10 of Season 1 premiered on April 28, 1977
October 27, 1977
Episode 11 of Season 1 premiered on October 27, 1977
May 4, 1978
Episode 12 of Season 1 premiered on May 4, 1978
November 23, 1978
Episode 13 of Season 1 premiered on November 23, 1978