hd.thomson-multimediaOpportunity Knocks Episode #6.13 (1956–1990) watch online HD
- Original title:Episode #6.13
- Category:TV Episode / Game Show
- Released:1956–1990
- Actors:Hughie Green,Birkenhead Amateur Operatic Society
- Video type:TV Episode
- Rating 6.6
- Votes 450
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Short summary
| Episode credited cast: | |||
 | Hughie Green | - | Himself - Host |
| Rest of cast listed alphabetically: | |||
 | Birkenhead Amateur Operatic Society | - | Themselves |