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Published on Jun 3, 2009
**Voting has now closed but you can check out the top 5 at www.discoverychannel.co.uk/20
Discovery UK is 20 years old this year and to celebrate Robert Lewellyn is asking you to pick your favourite ever Discovery show. There is an incredible list to choose from including Mythbusters, Deadliest Catch, Crocodile Hunter and American Chopper.