with 16 episodes premiered on November 20, 1969

with 26 episodes premiered on September 16, 1970

with 26 episodes premiered on October 6, 1971

with 20 episodes premiered on September 13, 1972

with 18 episodes premiered on September 12, 1973

with 13 episodes premiered on September 4, 1974

with 15 episodes premiered on August 27, 1975

with 15 episodes premiered on September 8, 1976