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 February 2026.
Last episode
Dennis & Gnasher Unleashed!
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.
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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.
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.
Series 1
Animated series. Rubi worries that her dad is lonely, so the gang try to find Professor von Screwtop a girlfriend.
Animated series. Walter and Dr Pfoofleffer hatch a plan to create a whole new living dinosaur from a bone that Gnasher discovers.
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.
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 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.
Dennis leads the gang on the baffling trail of a mysterious Beanotown secret society.
When Dennis thinks Gnasher has trashed a valuable piece of hideous art, the gang try desperately to cover up the damage and produce a decoy that is as convincingly terrible as the original.
Series 1
Animated series. Walter realises a sausage has a strange hypnotic effect on Gnasher so uses it to make him perform his every whim.
Animated series. After Dennis persuades Pieface that Paul is an undercover superhero, Gnasher, JJ and Rubi go along with the story and help Dennis to 'prove' it.
Series 2
Can Dennis and Gnasher muddle Sergeant Slipper long enough before the cement sets?
Rubi’s dance machine gets accidentally muddled up with Crusty the Robot Pie’s coding. Dennis and Gnasher have to dance on it all day or Crusty’s entire persona will be wiped forever!
Dennis and the gang take on the power of WilburCorp to stop Walter’s new line of collectable toys ruining the Beanotown environment with all its wasteful plastic packaging.
JJ applies for an elite sporting school. However, not realising it's miles away from Beanotown, he needs to do badly in the sporting assessment to get out of it.
Professor von Screwtop gets mistaken for the new kid in school and joins Class 3C for the day.
Series 1
Animated series. When the gang go on an adventure in search of the Beanotown Yeti, Walter follows with plans of his own for the rare beast.
Animated series. Dennis is desperate to prevent Pieface from failing Mrs Creecher's maths test.
Series 2
Olive surprises herself and everyone around her by actually becoming a good cook.