Opportunity Knocks - Season 11 Episode 23 : Episode 23
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.
First Air Date : Jun 13, 1956
Last Air Date : Jun 02, 1990
Runtime : 30 min.
Genre : Family
Stars : Hughie Green, Bob Monkhouse, Les Dawson
Quality : 
- Eps. 1 : Episode 11971-03-15
- Eps. 2 : Episode 21971-03-22
- Eps. 3 : Episode 31971-03-29
- Eps. 4 : Episode 41971-04-05
- Eps. 5 : Episode 51971-04-12
- Eps. 6 : Episode 61971-04-19
- Eps. 7 : Episode 71971-04-26
- Eps. 8 : Episode 81971-05-03
- Eps. 9 : Episode 91971-05-10
- Eps. 10 : Episode 101971-05-17
- Eps. 11 : Episode 111971-05-24
- Eps. 12 : Episode 121971-05-31
- Eps. 13 : All Winners Show1971-06-07
- Eps. 14 : Episode 141971-06-14
- Eps. 15 : Episode 151971-06-21
- Eps. 16 : Episode 161971-06-28
- Eps. 17 : Episode 171971-07-05
- Eps. 18 : Episode 181971-07-12
- Eps. 19 : Episode 191971-07-19
- Eps. 20 : Episode 201971-07-26
- Eps. 21 : Episode 211971-08-02
- Eps. 22 : Episode 221971-08-09
- Eps. 23 : Episode 231971-08-16
- Eps. 24 : Episode 241971-08-23
- Eps. 25 : Episode 251971-08-30
- Eps. 26 : All Winners Show1971-09-06
