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 2025. A total of 103 episodes have been broadcast, most recently in May 2026.
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Dennis & Gnasher Unleashed!
Determined to prove he can accomplish a task without getting distracted, Dennis takes on the simple job of bringing the class register to the school office.
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Dennis and the gang can’t wait for their all-day PE training day with Grizzly Griller and are baffled when their idol makes them learn a range of boring non-sports that only Walter excels at.
Dennis was up most of the night and can barely stay awake. Gnasher and the gang work hard to help steer dozing Dennis through the day.
Dennis is on his last warning – one more prank in school and he will be sent to Grim Lane School.
A classmate who Dennis and Walter barely know gets appointed as Class 3C’s late monitor, making it urgent that the boys find a way to pal up with him, whatever it takes.
Dennis doesn’t realise that the pressure he’s putting on Rubi to excel in the school science fair is giving her a severe case of inventor’s block.
Gnasher is practically immobile inside a full-body cast. When he goes missing, Dennis and the gang race all over Beanotown to find him, always one step behind the helpless hound.
Dennis is accidentally elected class president and is eager to shed the burden that comes with the title. However, every daft class policy he declares only makes him more popular.
Dennis dresses Gnasher up as a rare breed of animal which he says is nesting in Bash Street School, hoping to get the school shut down on the day of a daunting and difficult test.
In a somewhat misguided attempt to resolve Dennis and Walter’s spiralling competitiveness, Miss Mistry offers thumb wrestling as a solution.
Series 1
Animated series. Dennis needs to pull off a stunt to save the skate park from closure, so Gran gives him the skateboard of the legendary Kendo 360 to help.
Animated series. Gnasher becomes the star of an action movie, playing Grizzly's on-screen sidekick. But filming keeps him and Dennis apart.
Series 2
While helping Sergeant Slipper prove that he has what it takes to remain Beanotown’s policeman, the gang unknowingly become entangled in Doctor Pfooflepfeffer’s real theft.
Doctor Pfooflepfeffer’s first act as head of governors is to turn Bash Street School into a boarding institution. However, the pupils devise a series of daring attempts to escape.
The gang find out that JJ has a set of pre-match good luck rituals. In the run-up to an important Blamjitsu event, Walter deviously throws bad luck omens into JJ’s path.
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.
Walter and Dennis go head to head in a sponsored silence. Being quiet doesn’t come naturally to either of them, as they struggle to make it through a chaotic school day and keep schtumm.
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.
Dennis leads the gang on the baffling trail of a mysterious Beanotown secret society.
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.