Dennis is desperate to prevent Pieface from failing Mrs Creecher's maths test! He persuades the gang to use Professor Von Screwtop's mind-swapping device. But in a disastrous turn of events, Screwtop is on the loose with the brain of Paul the potato and Pieface is left with a potato with the brain of Screwtop to help get him through the test!
Source: CBBC
Series 2: 10. Bertiesitting
Eager to prove her babysitting ability for a permit, Gran’s on the hunt for a baby stand-in. Walter is suspiciously all too willing to offer up Bertie. Can the gang help G ...
26-04-2024
CBBC
Series 1: 24. I, Clawdia
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. But Dennis refuses to believe t ...
26-04-2024
CBBC
Series 1: 32. Gnashernal Treasure
The class dig up a mysterious time capsule which sets them off on a race to find hidden treasure before Walter or a greed-crazed Paul the Potato can find it first.
26-04-2024
CBBC
Series 2: 9. Spud-u-love
Paul the Potato is love-struck by the poster girl potato advertising WilburCorp’s new line of super-posh chips. The gang stage a daring potato rescue in the WilburCorp fac ...
25-04-2024
CBBC
Series 1: 23. Pig Trouble In Little Beanotown
When poor Gnasher is laid up wearing the 'collar of shame', Dennis takes Rasher to school instead, disguised as an exchange student. Walter takes a shine to this new girl and, t ...
25-04-2024
CBBC
Series 1: 31. The Fangtom Menace
Pieface's first sleepover in the den is troubled by spooky tales of a frightening Fangtom and Walter turning up with a demolition gang determined to flatten the den!
25-04-2024
CBBC
Series 2: 8. Things Get Chilli
With Paul on vacation, Pieface falls under the influence of a fiery chilli pepper and unexpectedly turns rogue.
24-04-2024
CBBC
Series 1: 22. Red And Black To The Future
When Dennis finds Professor Screwtop's time machine in the lab, he can't resist using it without reading the instructions and starts a chain of events that lead to Gnashersaurus ...
24-04-2024
CBBC
Series 1: 30. The Dog Ate It Miss
Gnasher accidentally gulps down Dennis' permission slip for the school trip! There's only one thing for it - they need Prof von Screwtop to use his shrink ray to shrink them dow ...
24-04-2024
CBBC
Series 2: 7. Sausage Lossage
In an attempt to deprive Gnasher of the food that fuels his active gnashy ways, Walter takes over Butch Butcher’s sausage-making business. His careless manufacturing produ ...
23-04-2024
CBBC
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 ...
15-04-2024
CBBC
Series 1: 30. The Dog Ate It Miss
Gnasher accidentally gulps down Dennis' permission slip for the school trip! There's only one thing for it - they need Prof von Screwtop to use his shrink ray to shrink them dow ...
24-04-2024
CBBC
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'.
15-04-2024
CBBC
Series 1: 23. Pig Trouble In Little Beanotown
When poor Gnasher is laid up wearing the 'collar of shame', Dennis takes Rasher to school instead, disguised as an exchange student. Walter takes a shine to this new girl and, t ...
25-04-2024
CBBC
Series 1: 20. Why So Clonely
Dennis accidentally clones himself and uses his exact opposite clone to do all his chores and abide by the rules at school. All is going to plan until Walter realises what has h ...
22-04-2024
CBBC
Series 2: 33. Hands Off
A patch of wet cement, a boy and a dog itching to put their prints into it and a policeman determined not to let that happen. Can Dennis and Gnasher muddle Sergeant Slipper long ...
20-04-2024
CBBC
Series 2: 45. Finding Scruffbutt
It’s Pieface’s turn to look after the class hamster, Space Captain Harrison McScruff-Butt. His own self doubt and Walter’s resolve to sabotage him lead to a re ...
14-03-2024
CBBC
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.
06-03-2024
CBBC
Series 2: 9. Spud-u-love
Paul the Potato is love-struck by the poster girl potato advertising WilburCorp’s new line of super-posh chips. The gang stage a daring potato rescue in the WilburCorp fac ...
25-04-2024
CBBC
Series 1: 22. Red And Black To The Future
When Dennis finds Professor Screwtop's time machine in the lab, he can't resist using it without reading the instructions and starts a chain of events that lead to Gnashersaurus ...
24-04-2024
CBBC