Aired Friday 25 April, 7:20am - 7:30amon CBBC HD

Dennis & Gnasher Unleashed!

Name: 3:30pm - Series 2 Episode 2
Start: 2025-05-09T14:30:00Z
End: 2025-05-09T14:40:00Z
Location: CBBC

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?

Category: Adventure / Animated / Children
Original air date: 30/05/2018

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
Joanna RuizMrs Creecher/Gran/Anne Finally

+ Show all cast and crew

Upcoming broadcasts

Today, 1:15pmon CBBC
Series 2 Episode 37
Today, 1:15pmon CBBC HD
Series 2 Episode 37
Today, 1:30pmon CBBC
Series 2 Episode 38
Today, 1:30pmon CBBC HD
Series 2 Episode 38
Today, 3:30pmon CBBC
Series 2 Episode 2