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.
Last episode
Dennis & Gnasher Unleashed!
Dennis is mega-excited to trial a pair of hi-tech Smarty Pants - underpants with all the capabilities of a smartphone.
Catching up on Dennis & Gnasher Unleashed!?
Don't want to miss an episode anymore? Set up a free alarm and receive an email when new episodes are available. Handy!
Deep in the caverns below Beanotown town hall, a mysterious species of over-sized hamsters may or may not exist, so may or may not be at risk of being hunted down and turned into fluffy slippers.
Dennis can’t get Grizzly’s new animal training method to work on a wilful Gnasher.
The gang produce a hand-drawn comic which is a surprise hit all round Beanotown. Envious of their success, Walter embarks on a mission of cartoon-drawing sabotage.
Dennis and the gang convince Mrs Creecher that Monday is actually Sunday in the hope of extending their weekend.
Tricked into a town-wide clean-up, Dennis and Walter are paired up against their will. However, they are forced to cooperate to survive in the wilderness of Beanotown Woods.
It’s Pieface’s turn to look after the class hamster, Space Captain Harrison McScruff-Butt.
Dennis and Gnasher accidentally do good deeds for the people of Beanotown.
In an attempt to enhance her teaching skills, Miss Mistry arranges to tag along with Dennis and the gang after school.
Dennis and his mates rebel against an outbreak of unfair fun-killing rules that are being imposed on Beanotown.
Series 1
Animated series. Dennis is blamed for a theft he didn't commit, and Mrs Creecher teams up with Sergeant Slipper to track him down.
Animated series. When Gran's Harley gets impounded, Dennis thinks she's lost her groove and given up on her thrill-seeking ways.
Series 2
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 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.