Aired Monday March 4, 3:40pm - 3:55pmon CBBC HD

Dennis & Gnasher Unleashed!

Series 1 Episode 6: Griller Thriller

Dennis' ultimate hero, Grizzly Griller, plans on trekking to the source of the River Beano, broadcasting the treacherous path on live TV. Dennis introduces him to his pet hamster, Galahad - only to discover they are his biggest fear! Grizzly is so afraid that Dennis must disguise himself as his hero and go in his place!

Adventure / Animated / Children
Original air date
Cast and crew
  • Boris HiestandDirector
  • Freddie FoxDennis
  • Boris Hiestand
  • Kathryn DrysdaleJemima 'JJ' Jones
  • Dorothy Elias-Fahn
  • Bryce Papenbrook
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