Busted top today's guest list. The trio will be joined by Gareth Gates, David Sneddon, ex-All Saint Melanie Blatt and Take That-turned-Big Brother star Mark Owen.
Spot the celebrity villain in the Scooby Zone, win top prizes and enjoy The New Scooby and Scrappy Show, Kerching! and The Woody Woodpecker Show.
Simon Grant and Fearne Cotton host. (S) (W)
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The Saturday Show Extra follows at 12 noon on CBBC channel
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