July 19, 1973
Episode 1 of Season 1 premiered on July 19, 1973
August 1, 1974
Episode 2 of Season 1 premiered on August 1, 1974
August 21, 1975
Episode 3 of Season 1 premiered on August 21, 1975
March 4, 1976
Episode 4 of Season 1 premiered on March 4, 1976
April 11, 1977
Episode 5 of Season 1 premiered on April 11, 1977
April 6, 1978
Episode 6 of Season 1 premiered on April 6, 1978
August 2, 1979
Episode 7 of Season 1 premiered on August 2, 1979