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Aired Monday May 23, 3:30pm - 3:40pmon CBBC HD

Dennis & Gnasher Unleashed!

Series 1 Episode 34: Extreme Sports Day

Dennis recruits Grizzly Griller to help make school sports day more extreme, but as he and JJ get competitive against each other, who is sabotaging both their chances of winning?

Adventure / Animated / Children
Original air date
Cast and crew
  • Boris HiestandDirector
  • Freddie FoxDennis
  • Rasmus HardikerWalter Brown/Grizzly Griller
  • Ryan SampsonPeter 'Pieface' Shepherd
  • Kathryn DrysdaleJemima 'JJ' Jones
  • Kelly-Marie StewartRubidium 'Rubi' von Screwtop
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