(1971)
with 10 episodes premiered on February 13, 1971
with 13 episodes premiered on January 15, 1972
with 13 episodes premiered on January 6, 1973
with 13 episodes premiered on January 5, 1974
with 11 episodes premiered on February 1, 1975
with 13 episodes premiered on January 3, 1976
with 13 episodes premiered on January 8, 1977
with 10 episodes premiered on January 23, 1978
with 11 episodes premiered on January 22, 1979
with 11 episodes premiered on January 21, 1980
with 8 episodes premiered on February 16, 1981
with 7 episodes premiered on January 4, 1982