Dennis & Gnasher Unleashed!
Dennis & Gnasher Unleashed! is a program for kids on CBBC. Dennis & Gnasher are joined by their friends Rubi, JJ, Pieface and his pet potato, Paul in the all-new action adventures of Dennis & Gnasher Unleashed! The program has been available since 2024. A total of 103 episodes have been broadcast, most recently in September 2025.
Last episode
Dennis & Gnasher Unleashed!
Doctor Pfooflepfeffer’s first act as head of governors is to turn Bash Street School into a boarding school. However, the pupils devise a series of daring attempts to escape.
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Walter’s pampered cat Clawdia persuades her way into the gang, and only Gnasher can tell that she has a hidden agenda to oust him from Dennis’s life forever.
Series 1
Animated series. When Dennis and the gang think they have caused Ralf to lose his job, they're determined to make his last day at Bash Street School totally blam.
Animated series. There's a werewolf-type creature on the prowl and suspicion falls on Gnasher. Dennis has to prove his best pal's innocence.
Animated series. When Dennis finds Professor Screwtop's time machine in the lab, he can't resist using it without reading the instructions.
Animated series. Dennis gets into a fluffy mess when he runs into Von Screwtop's hadron collider with the professor's pet hamster, Galahad.
Animated series. Dennis is determined to outshine Walter in Class 3C's 'Biggest Veg' competition, but his methods bring trouble upon the school.
Animated series. Pieface steals Professor Von Screwtop's Pastry-based Intelligent Espionage unit (PIE) after forming a strong bond with the pie-shaped robot.
Animated series. Dennis is mistaken for a Beanotown baddie while in disguise to sneak into a 12A film, and his friends have to save him.
Series 2
The gang enter Pieface into a comedy contest to make him realise how brilliantly funny he is. Determined to win the crown, Walter uses the latest WilburCorp gadget on the unsuspecting audience.
Torn between practising Blamjitsu with the yeti and helping the Dinmakers write a new school song, JJ tries to combine the two by bringing the yeti along to band practice.
Series 1
The class dig up a mysterious time capsule which sets them off on a race to find hidden treasure before Walter or a greed-crazed Paul the Potato can find it first.
Animated series. It's the famous Beanotown Freewheeler Derby, and Dennis is worried that Walter's go-kart will beat his record.
Series 2
With all his mates unfairly kept inside at lunchtime by a cranky Mrs Creecher, Dennis is exasperated to find that he can’t land himself in detention, no matter how much he misbehaves.
Eager to prove her babysitting ability for a permit, Gran is on the hunt for a baby stand-in. Walter is suspiciously all too willing to offer up Bertie.
Series 1
Animated series. Pieface's first sleepover is troubled by spooky tales of a frightening Fangtom and Walter turning up with a demolition gang.
Animated series. When Gnasher gnashes Walter's portrait, he gets revenge with a titanium sausage that leaves Gnasher toothless and miserable.
Series 2
Paul the Potato is love-struck by the poster girl potato advertising WilburCorp’s new line of super-posh chips. The gang stage a daring potato rescue in the WilburCorp factory.
With Paul on vacation, Pieface falls under the influence of a fiery chilli pepper and unexpectedly turns rogue.
Series 1
Animated series. Gnasher eats Dennis's permission slip for the school trip, so the gang shrink down to bite-size humans so they can travel into Gnasher's tummy.