13 June 1956 - 12 September 1956

Associated Rediffusion Hosted by Hughie Green until 1978

4 July 1964 - 3 October 1964

ATV London

3 July 1965 - 25 December 1965

2 July 1966 - 24 December 1966

29 April 1967 - 23 December 1967

16 March 1968 - 27 July 1968

21 August 1968 - 6 November 1968

Thames Television

25 December 1968 - 23 June 1969

8 September 1969 - 2 March 1970

15 June 1970 - 7 December 1970

15 March 1971 - 6 September 1971

8 November 1971 - 1 May 1972

7 August 1972 - 30 April 1973

6 August 1973 - 29 April 1974

5 August 1974 - 28 April 1975

29 September 1975 - 22 March 1976

4 October 1976 - 4 April 1977

19 September 1977 - 27 February 1978

Bob Says Opportunity Knocks - Series 1

BBC - 21 March 1987 - 20 June 1987 Hosted by Bob Monkhouse

Bob Says Opportunity Knocks - Series 2

5 March 1988 - 4 June 1988

Bob Says Opportunity Knocks - Series 3

4 March 1989 - 3 June 1989

31 March 1990 - 2 June 1990

Hosted by Les Dawson