Animation. Dennis lives in Beanotown with Mum, Dad, little sister Bea and his pet dog Gnasher. Gnasher is more than a dog to Dennis; he is a kindred spirit. Whatever Dennis does, Gnasher does with him. Together with their friends Curly and Pie Face, Dennis and Gnasher believe the world truly is their oyster and that kids should make the rules. Not everyone agrees, including Mum and Dad. But Dennis and Gnasher are not going to let that stand in the way of their pursuit of fun! It is the day of the Pie Festival in Beanotown and, remembering how much trouble Pie Face got them into last year, Dennis, Gnasher and Curly set out to find him and stop him from attending the event and getting them into trouble again. Unfortunately, no matter what they try, they cannot get Pie Face to stop thinking about pies, and he manages to escape them and find his way to the Pie Festival. Dennis and Curly arrive there before Pie Face and, on learning that the Pie Festival judge has not shown up yet, Dennis comes up with a simple plan to ensure that the official judge doesn't make it to the contest in time. Dennis then uses Pie Face's passion for pies to the festival's advantage, and Pie Face is appointed the judge of the pie tasting competition.