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 August 2025.
Last episode
Dennis & Gnasher Unleashed!
Animated series. Dennis and the gang train Bertie in the art of standing up to people so he can rebel against Walter's bossiness.
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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. A snake bite causes Grizzly Griller to forget all his survival know-how, so it's down to his greatest fan Dennis to help him.
Animated series. Dennis meets his hero, Grizzly Griller, who is planning a dangerous journey. But when Grizzly's fear gets in the way, Dennis takes his place.
Animated series. When Walter leaves his pampered pet croc to fend for itself, Dennis and the gang help him to get in touch with his wild side.
Animated series. Dennis discovers that Ralf the janitor is the legendary Prankmaster General and is told he could become his successor. Only Walter stands in the way.
Animated series. Dennis must escape detention and Bash Street School to make the Beanotown Brawny Bean Race before Walter wins it!
Animated series. Power-hungry Empress Miasma takes control of Gnasher from the inside and uses him in her attempts to take over planet Earth.
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 discovers the school's Confiscatorium, a secret place where all confiscated goods are hidden.
Animated series. Dennis and JJ get competitive on school sports day, but who is sabotaging both their chances of winning?
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. The gang are fed up with dinner lady Olive's inedible school dinners. They learn she used to be a singer and try to persuade her to change career.
Series 2
Dennis and the gang convince Mrs Creecher that Monday is actually Sunday in the hope of extending their weekend.
It’s Pieface’s turn to look after the class hamster, Space Captain Harrison McScruff-Butt.
In an attempt to enhance her teaching skills, Miss Mistry arranges to tag along with Dennis and the gang after school.
Series 1
Animated series. Walter attempts to ruin The Dinmakers' chance of reaching fame. He will stop at nothing - even wearing a frock.
Animated series. Mayor Wilbur passes a law to increase healthy eating in Beanotown, replacing all foods with peas...of the mushy variety!
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. Dennis accidentally becomes an internet star, but his moment of fame is short and he has to stage the best stunt yet to gain back his audience.