with 10 episodes premiered on July 13, 1978

with 10 episodes premiered on May 1, 1979

with 6 episodes premiered on April 1, 1980

with 6 episodes premiered on September 2, 1980

with 8 episodes premiered on April 21, 1981

with 7 episodes premiered on November 3, 1981

with 8 episodes premiered on April 13, 1982

with 6 episodes premiered on September 7, 1982

with 9 episodes premiered on January 29, 1983

with 8 episodes premiered on September 6, 1983

with 8 episodes premiered on February 28, 1984

with 7 episodes premiered on October 23, 1984

with 9 episodes premiered on March 5, 1985

with 8 episodes premiered on September 3, 1985

with 10 episodes premiered on April 8, 1986

with 8 episodes premiered on September 9, 1986

with 8 episodes premiered on April 7, 1987

with 11 episodes premiered on September 10, 1987

with 8 episodes premiered on April 7, 1988

with 8 episodes premiered on September 29, 1988

with 8 episodes premiered on March 21, 1989

with 10 episodes premiered on September 14, 1989

with 8 episodes premiered on March 27, 1990

with 10 episodes premiered on September 27, 1990

with 10 episodes premiered on February 28, 1991

with 14 episodes premiered on September 19, 1991

with 11 episodes premiered on February 27, 1992

with 13 episodes premiered on September 24, 1992

with 17 episodes premiered on February 18, 1993

with 16 episodes premiered on September 9, 1993

with 11 episodes premiered on March 3, 1994

with 13 episodes premiered on September 22, 1994

with 13 episodes premiered on February 16, 1995

with 14 episodes premiered on September 21, 1995

with 14 episodes premiered on February 15, 1996

with 14 episodes premiered on September 5, 1996

with 20 episodes premiered on January 2, 1997

with 16 episodes premiered on September 4, 1997

with 13 episodes premiered on February 19, 1998

with 15 episodes premiered on September 10, 1998

with 12 episodes premiered on March 18, 1999

with 14 episodes premiered on September 9, 1999

with 18 episodes premiered on January 20, 2000

with 15 episodes premiered on September 7, 2000

with 36 episodes premiered on February 22, 2001