with 15 episodes premiered on September 14, 1955

with 14 episodes premiered on September 12, 1956

with 12 episodes premiered on October 9, 1957

with 14 episodes premiered on September 10, 1958

with 14 episodes premiered on October 1, 1959

with 16 episodes premiered on September 29, 1960

with 15 episodes premiered on October 19, 1961

with 17 episodes premiered on September 13, 1962

with 16 episodes premiered on October 10, 1963

with 23 episodes premiered on October 9, 1964

with 26 episodes premiered on October 1, 1965

with 26 episodes premiered on October 7, 1966

with 20 episodes premiered on October 6, 1967

with 26 episodes premiered on September 13, 1968

with 19 episodes premiered on September 26, 1969

with 13 episodes premiered on January 7, 1972

with 12 episodes premiered on February 2, 1973

with 14 episodes premiered on January 4, 1974

with 13 episodes premiered on January 3, 1975

with 14 episodes premiered on December 24, 1975

with 13 episodes premiered on January 7, 1977

with 14 episodes premiered on January 6, 1978

with 13 episodes premiered on September 29, 1978

with 13 episodes premiered on September 28, 1979

with 13 episodes premiered on September 26, 1980

with 12 episodes premiered on October 2, 1981

with 10 episodes premiered on October 22, 1982

with 13 episodes premiered on September 30, 1983

with 13 episodes premiered on September 28, 1984