A radio, and later television, talent show originally hosted by Hughie Green, with a late-1980s revival hosted by Bob Monkhouse, and later by previous winner Les Dawson.

Seasons

Season	Episodes	Release date	Rating
13 June 1956 - 12 September 1956 Associated Rediffusion Hosted by Hughie Green until 1978	14	1956-06-13	—
4 July 1964 - 3 October 1964 ATV London	14	1964-07-04	—
3 July 1965 - 25 December 1965	25	1965-07-03	—
2 July 1966 - 24 December 1966	26	1966-07-02	—
29 April 1967 - 23 December 1967	35	1967-04-29	—
16 March 1968 - 27 July 1968	19	1968-03-16	—
21 August 1968 - 6 November 1968 Thames Television	12	1968-08-21	—
25 December 1968 - 23 June 1969	27	1968-12-25	—
8 September 1969 - 2 March 1970	26	1969-09-08	—
15 June 1970 - 7 December 1970	26	1970-06-15	—
15 March 1971 - 6 September 1971	26	1971-03-15	—
8 November 1971 - 1 May 1972	22	1971-11-08	—
7 August 1972 - 30 April 1973	37	1972-08-07	—
6 August 1973 - 29 April 1974	39	1973-08-06	—
5 August 1974 - 28 April 1975	39	1974-08-05	—
29 September 1975 - 22 March 1976	24	1975-09-29	—
4 October 1976 - 4 April 1977	25	1976-10-04	—
19 September 1977 - 27 February 1978	23	1977-09-19	—
Bob Says Opportunity Knocks - Series 1 BBC - 21 March 1987 - 20 June 1987 Hosted by Bob Monkhouse	13	1987-03-21	—
Bob Says Opportunity Knocks - Series 2 5 March 1988 - 4 June 1988	13	1988-03-05	—
Bob Says Opportunity Knocks - Series 3 4 March 1989 - 3 June 1989	13	1989-03-04	—
31 March 1990 - 2 June 1990 Hosted by Les Dawson	9	1990-03-31	—