with 36 episodes premiered on September 17, 1964

with 38 episodes premiered on September 16, 1965

with 33 episodes premiered on September 15, 1966

with 33 episodes premiered on September 7, 1967

with 30 episodes premiered on September 26, 1968

with 30 episodes premiered on September 18, 1969

with 28 episodes premiered on September 24, 1970

with 26 episodes premiered on September 15, 1971