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Thank God You're Here is an Australian television improvised comedy program created by Working Dog Productions, which premiered on 5 April 2006 on Network 10, where it aired for the first three and the fifth seasons; the fourth season aired on the Seven Network. Each episode involves performers walking through a door into an unknown situation, greeted by the line "Thank God you're here!". They then had to improvise their way through the scene. At the end of each episode a winner was announced. imdb.com