with 24 episodes premiered on October 13, 1967

with 30 episodes premiered on September 15, 1968

with 35 episodes premiered on August 3, 1969

with 31 episodes premiered on August 23, 1970

with 27 episodes premiered on August 29, 1971

with 25 episodes premiered on September 17, 1972

with 35 episodes premiered on July 29, 1973

with 26 episodes premiered on October 8, 1974

with 34 episodes premiered on September 21, 1975

with 38 episodes premiered on October 21, 1976

with 16 episodes premiered on October 13, 1977

with 26 episodes premiered on August 2, 1978

with 14 episodes premiered on December 23, 1979

with 14 episodes premiered on January 13, 1981

with 17 episodes premiered on January 10, 1982

with 23 episodes premiered on October 10, 1982

with 10 episodes premiered on October 16, 1983

with 11 episodes premiered on June 24, 1984

with 10 episodes premiered on September 16, 1984

with 21 episodes premiered on April 26, 1985

with 7 episodes premiered on April 11, 1986

with 11 episodes premiered on August 8, 1986

with 10 episodes premiered on May 5, 1987

with 7 episodes premiered on September 19, 1987

with 10 episodes premiered on May 6, 1988

with 16 episodes premiered on September 23, 1988

with 18 episodes premiered on July 14, 1989

with 20 episodes premiered on September 7, 1990

with 24 episodes premiered on July 11, 1991

with 16 episodes premiered on July 16, 1992

with 26 episodes premiered on September 28, 1993

with 20 episodes premiered on October 11, 1994

with 12 episodes premiered on September 3, 1995

with 13 episodes premiered on November 5, 1996

with 25 episodes premiered on June 23, 1997

with 15 episodes premiered on August 30, 1998