Catch up TV
Series 1: 9. The Hamazing Hamsterman
Dennis gets into a fluffy mess when he runs into Von Screwtop's hadron collider with the professor's pet hamster, Galahad. To stop Dennis from completely changing into a hamster, the gang must sneak him into Wilbur's lab to use his reverse hadron collider and change him back!
Source: CBBC
Most recent episodes of Dennis & Gnasher Unleashed!
Dennis & Gnasher Unleashed!
Series 2: 2. The P Factor
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 h ...
31-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 1. Beat The Bus
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. Walter pulls out all the stops t ...
31-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 37. Jj's Lucky Day
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, t ...
31-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 15. Super Paul
After Dennis persuades Pieface that Paul is an undercover super hero, Gnasher, JJ and Rubi go along with the story and help Dennis to 'prove it'.
31-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 41. Monitors
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.
30-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 40. Gnasher Dash
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.
30-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 39. The Hairy Wiggler
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.
30-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 28. Chez Bash
When Olive surprises herself and everyone around her by actually becoming a good cook, Dr Pfooflepfeffer tries to cash in by turning the school canteen into an exclusive and sup ...
30-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 26. Teacher Off
Miss Mistry and Mrs Creecher clash over the best way to teach Class 3C about butterflies. The gang just want to get out of school in time for a Grizzly Griller Wildlife Event.
29-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 36. Woah! So Quiet
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 an ...
28-03-2025
CBBC
Most popular episodes of Dennis & Gnasher Unleashed!
Dennis & Gnasher Unleashed!
Series 2: 4. Pranksy
The after-school art club is under threat of imminent demolition. In trying to save the club, the gang end up on the trail of the mysterious undercover urban artist known only a ...
12-02-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 1. Beat The Bus
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. Walter pulls out all the stops t ...
31-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 50. Call Of The Wild
When Gnasher gets sent to dog obedience school for gnashing Mrs Creecher's saxophone, one of Professor Screwtop's inventions, the Chatterbox, allows Dennis to understand animal ...
10-02-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 10. Prank Wars
Dennis discovers that Ralf the janitor is the legendary Prankmaster General and is told he could become his successor. Walter won't let this happen and challenges him to a prank ...
24-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 16. Wonder Sausage
The world-famous Wonder Sausage is on show in Butch Butcher's shop. Walter realises the sausage has a strange hypnotic effect on Gnasher so uses it to make him perform his every ...
29-01-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 37. Jj's Lucky Day
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, t ...
31-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 45. Bmxcess
JJ's so keen to get Dennis the new bike she thinks he's desperate to have, that she agrees to make a deal with Walter, and without realising it, passes on information that could ...
06-02-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 39. The Hairy Wiggler
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.
30-03-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 44. School Of Life
Miss Mistry arranges to tag along with Dennis and the gang after school, in an attempt to enhance her teaching skills and prevent school governor Pfooflepfeffer from banning her ...
26-02-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 4. Raiders Of The Lost Sweetie
Mrs Creecher confiscates Dennis' rare sour sweetie, the Tongue Destroyer! Dennis is desperate to get the sweet back and takes his friends on an adventure to the school's Confisc ...
14-03-2025
CBBC