(1973)
with 25 episodes premiered on December 28, 1974
with 13 episodes premiered on May 26, 1973
with 20 episodes premiered on March 16, 1974
with 20 episodes premiered on March 29, 1975
with 20 episodes premiered on January 4, 1976
with 21 episodes premiered on January 2, 1977
with 12 episodes premiered on May 7, 1978
with 22 episodes premiered on January 7, 1979
with 26 episodes premiered on January 4, 1981
with 14 episodes premiered on September 5, 1982
Billed as being a 15 part series, an episode was replaced by the 1982 Royal Variety Performance.
with 12 episodes premiered on April 10, 1983
with 25 episodes premiered on January 8, 1984
with 24 episodes premiered on January 6, 1985
with 22 episodes premiered on January 19, 1986
with 22 episodes premiered on January 11, 1987
with 22 episodes premiered on January 17, 1988
with 20 episodes premiered on January 22, 1989
with 23 episodes premiered on January 14, 1990
with 20 episodes premiered on January 20, 1991
with 22 episodes premiered on January 11, 1992
with 20 episodes premiered on January 23, 1993
with 21 episodes premiered on January 8, 1994