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 March 2026.
Last episode
Dennis & Gnasher Unleashed!
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.
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Pieface is secretly doing underpants laundry chores for Walter, hoping to help Dennis save up some cash. He urges the gang to audition for a replacement Pieface to make up for his mysterious absence.
Dennis is on his last warning – one more prank in school and he will be sent to Grim Lane School.
New teacher Miss Mistry is taking Class 3C on a trip to Flumes o' Doom theme park. If anyone is a nano-second late, the bus leaves without them.
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.
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.
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 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.
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.
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. When the gang's sausages go missing, and they discover gnashed bicycle wheels and one of Gnasher's teeth, it seems like there's only one suspect.
Animated series. When poor Gnasher is laid up wearing the 'collar of shame', Dennis takes Rasher to school instead, disguised as an exchange student.
Series 2
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.
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 kids of Beanotown decide that they can run the town far better than the grown-ups. However, they discover it isn’t nearly as easy or fun as they had hoped.
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.
On the first day of a new school year, Dennis and the gang imagine all the things that might be new and unfamiliar at Bash Street School.
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.
An order mix-up leads to a delivery of hyperactive tentacles at Bash Street School. However, no-one wants the job of looking after the pesky things.
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.