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 battle to win Ralf's book of pranking - the infamous Prankypedia.
Source: CBBC
Series 2: 48. Smarty Pants
Dennis is mega-excited to trial a pair of hi-tech Smarty Pants - underpants with all the capabilities of a smartphone. However, whenever he and the gang test the pants, Walter i ...
18-11-2024
CBBC
Series 2: 42. Dozing Dennis
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, when all he wants to do is continue to dre ...
17-11-2024
CBBC
Series 2: 19. Pranks For The Memories
Dennis is on his last warning – one more prank in school and he will be sent to Grim Lane School. While he struggles to sustain a prank-free day, Walter conspires to make ...
16-11-2024
CBBC
Series 2: 18. Inventor's Block
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.
16-11-2024
CBBC
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.
16-11-2024
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.
15-11-2024
CBBC
Series 2: 30. Learning To Lose
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.
15-11-2024
CBBC
Series 2: 29. Screwtop School
Professor von Screwtop gets mistaken for the new kid in school and joins Class 3C for the day. Rubi is so embarrassed at her dad’s antics that she resorts to pranking to g ...
15-11-2024
CBBC
Series 2: 47. Be More Dog
Dennis can’t get Grizzly’s new animal training method to work on a wilful Gnasher. However, when they realise that Gnasher can use the method to get humans to obey h ...
15-11-2024
CBBC
Series 2: 38. Partners In Crime
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 ...
14-11-2024
CBBC
Series 1: 28. Were-walter
There's a werewolf-type creature on the prowl and suspicion falls on Gnasher. Dennis has to prove his best pal's innocence as the full moon shines down on Beanotown...
31-10-2024
CBBC
Series 1: 43. Goodbye Rubi Doomsday
Rubi gets a place in a Summer School for Super Smart Kids, which turns out to be one of Walter's tricks so he can learn the secrets of her new invention.
23-05-2024
CBBC
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 ...
13-11-2024
CBBC
Series 1: 48. Double Crust
Animated series. When Crusty the robot pie spy is forced by Doctor Pfooflepfeffer to send her photos of Professor Screwtop's latest inventions, the gang get their own back by tr ...
28-05-2024
CBBC
Series 1: 46. Pieface Day
When Pieface rescues Walter and Bertie from danger, Dennis leads the town in celebrating Pieface Day in his honour, and refuses to listen when Pieface tries to tell him it was a ...
27-05-2024
CBBC
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 ...
08-04-2024
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 ...
01-11-2024
CBBC
Series 1: 18. Screwtop In Love
Rubi worries that her dad is lonely, so the gang try to find Professor von Screwtop a girlfriend! Dr Pfooflepfeffer seems the perfect match, or does she really only want him for ...
18-04-2024
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.
15-11-2024
CBBC
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.
16-11-2024
CBBC