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CBBC

Dennis and Gnasher turn Beanotown upside down to beat Gran at pranking and win the trophy for the world record of most pranks in a day.

Dennis figures out the secret weapon which allows Gran to get away with all her pranks and to retain the trophy for the world record of most pranks in a day... simply being 'a sweet old lady'!

Dennis and Gnasher go undercover, turning Beanotown upside down to beat Gran at her own game and claim the trophy for themselves in the ultimate battle of the Menaces - nobody is safe!

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