Opportunity Knocks - Season 22 Episode 4 : Episode 4
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 11990-03-31
- Eps. 2 : Episode 21990-04-07
- Eps. 3 : Episode 31990-04-14
- Eps. 4 : Episode 41990-04-21
- Eps. 5 : Episode 51990-04-28
- Eps. 6 : Episode 61990-05-12
- Eps. 7 : Episode 71990-05-19
- Eps. 8 : Episode 81990-05-26
- Eps. 9 : Final1990-06-02
