with 15 episodes premiered on September 1, 1975

with 13 episodes premiered on April 6, 1976

with 16 episodes premiered on September 6, 1977

with 13 episodes premiered on April 3, 1978

with 32 episodes premiered on September 3, 1979

with 34 episodes premiered on September 1, 1980

with 33 episodes premiered on September 7, 1981

with 32 episodes premiered on September 6, 1982

with 32 episodes premiered on September 6, 1983