Season 1

13 episodes · May 26, 1973

Season 2

20 episodes · Mar 16, 1974

Season 3

20 episodes · Mar 29, 1975

Season 4

20 episodes · Jan 4, 1976

Season 5

21 episodes · Jan 2, 1977

Season 6

12 episodes · May 7, 1978

Season 7

22 episodes · Jan 7, 1979

Season 8

26 episodes · Jan 4, 1981

Season 9

14 episodes · Sep 5, 1982

Billed as being a 15 part series, an episode was replaced by the 1982 Royal Variety Performance.

Season 10

12 episodes · Apr 10, 1983

Season 11

25 episodes · Jan 8, 1984

Season 12

24 episodes · Jan 6, 1985

Season 13

22 episodes · Jan 19, 1986

Season 14

22 episodes · Jan 11, 1987

Season 15

22 episodes · Jan 17, 1988

Season 16

20 episodes · Jan 22, 1989

Season 17

23 episodes · Jan 14, 1990

Season 18

20 episodes · Jan 20, 1991

Season 19

22 episodes · Jan 11, 1992

Season 20

20 episodes · Jan 23, 1993

Season 21

21 episodes · Jan 8, 1994