Opportunity Knocks may refer to:Opportunity Knocks , a 1947–1957 radio talent show Opportunity Knocks , a 1949–1990 UK television and radio talent show Opportunity Knocks, a 1976–1978 Australian game show Opportunity Knocks (film), a 1990 comedy film Opportunity Knocks, a 2002 US TV show hosted by Dave Coulier and Shaune Bagwell Opportunity Knocks , a 2008 US television game show "Opportunity Knocks" , a 1978 television episode "Opportunity Knocks" , a 1979 television episode "Opportunity Knocks" , a 2008 television episode