Opportunity Knocks - Season 20
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 : 1956-06-13
Last Air date : 1990-06-02
Runtime : 57 minutes
Genre : Family
Cast : Hughie Green, Bob Monkhouse, Les Dawson
Crew : Di Cooke (Stage Director)
Quality : 
Subtitles :
- Season 20 : Episode 11988-03-05
- Season 20 : Episode 21988-03-12
- Season 20 : Episode 31988-03-19
- Season 20 : Episode 41988-03-26
- Season 20 : Episode 51988-04-02
- Season 20 : Episode 61988-04-09
- Season 20 : Episode 71988-04-16
- Season 20 : Episode 81988-04-23
- Season 20 : Episode 91988-05-07
- Season 20 : Episode 101988-05-14
- Season 20 : Episode 111988-05-21
- Season 20 : Episode 121988-05-28
- Season 20 : Episode 131988-06-04
