with 70 episodes premiered on January 6, 1975

with 132 episodes premiered on January 1, 1976

with 101 episodes premiered on January 1, 1977

with 83 episodes premiered on January 2, 1978

with 77 episodes premiered on January 2, 1979

with 84 episodes premiered on January 2, 1980

with 91 episodes premiered on January 1, 1981