"Opportunity Knocks" Premieres Tuesday, September 23rd on Citytv TORONTO, Sept. 19 /CNW/ - You live with them, you eat with them, you even share a bathroom with them...but how well do you really know your family? Each week one lucky family will get to discover just that in the game of a lifetime. "Opportunity Knocks" premieres Tuesday, September 23rd on Citytv.Broadcast schedule is as follows: --------------------------------- Citytv Toronto Tuesday, September 23rd at 8pm ET Citytv Winnipeg Tuesday, September 23rd at 8pm CT Citytv Calgary Tuesday, September 23rd at 9pm MT Citytv Edmonton Tuesday, September 23rd at 9pm MT Citytv Vancouver Tuesday, September 23rd at 8pm PTThe master of spontaneity Ashton Kutcher is at it again with his newest venture, "Opportunity Knocks", where all the elements of a full-scale game show surprise unsuspecting families right where they live! Each week, 'opportunity knocks' for a different family across America, giving them the chance to play for some amazing prizes from flat-screen TVs and appliances to concert tickets, cars and scholarships. The game begins when the second host JD Roth knocks on the unsuspecting family's front door. Roth poses trivia questions to the family members based on their lives, each other and articles found in their homes. If they are able to prove they know their loved ones inside and out they'll win the prizes of their dreams. If not, opportunity will just have to knock on someone else's door! Executive producers for "Opportunity Knocks" are Ashton Kutcher (Punk'd), Jason Goldberg, Karey Burke, JD Roth and Todd A. Nelson. When "Opportunity Knocks", answer the call! The excitement begins Tuesday, September 23rd on Citytv. Citytv, with stations in Toronto, Vancouver, Calgary, Edmonton and Winnipeg, brings forward intensely-local, urban-oriented, culturally-diverse television in its own unique, interactive style. Citytv Toronto is Canada's only High Definition OTA channel, transmitting digitally from the CN Tower in 5.1 audio. With its strong local voice, Citytv offers a distinct alternative to other conventional television offerings. Its instantly recognizable 'look' and 'sound' are the product of refreshingly different on-air personalities, unique program formats and high television style. Citytv is part of Rogers Media Inc., a division of Rogers Communications Inc. (TSX: RCI and NYSE: RCI) which is a diversified Canadian communications and media company.