Catch up TV
Series 2: 20. Grizzly Games
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.
Source: CBBC
Most recent episodes of Dennis & Gnasher Unleashed!
Dennis & Gnasher Unleashed!
Series 2: 21. Too Cool For Rules
Dennis and his mates rebel against an outbreak of unfair fun-killing rules that are being imposed on Beanotown.
18-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 20. Grizzly Games
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 on ...
18-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 36. School Of Croc
When Walter leaves his pampered pet croc, Crunchzilla, to fend for itself, Dennis and the gang help him to get in touch with its wild side. Walter does his best to prevent them, ...
18-09-2025
CBBC
Dennis & Gnasher Unleashed!
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 ...
17-09-2025
CBBC
Dennis & Gnasher Unleashed!
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 ...
17-09-2025
CBBC
Dennis & Gnasher Unleashed!
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.
17-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 35. Today The Dog, Tomorrow The World
Power-hungry tiny alien Empress Miasma takes control of Gnasher from the inside and uses him in her attempts to take over planet Earth. But when Miasma breaks out of Gnasher int ...
17-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 29. Dennis Tv
Walter launches his own mega-dull, hypnotic TV channel with a signal booster that swamps all other channels! Rubi helps Dennis set up his own TV channel with a more powerful boo ...
16-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 17. President Dennis
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.
16-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 16. Thumb Wars
In a somewhat misguided attempt to resolve Dennis and Walter’s spiralling competitiveness, Miss Mistry offers thumb wrestling as a solution - but can Walter play fair, or ...
16-09-2025
CBBC
Most popular episodes of Dennis & Gnasher Unleashed!
Dennis & Gnasher Unleashed!
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 ...
14-09-2025
CBBC
Dennis & Gnasher Unleashed!
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...
15-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 21. The Wrong Man-ace
Dennis is mistaken for a Beanotown baddie while in disguise to sneak into 12A film. At first Dennis loves being treated like a celebrity, but as things begin to go awry his frie ...
13-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 25. Postcards From The Veg
Pieface laments that Paul is looking peaky and needs a holiday. Dennis has a plan! But its only when Walter kidnaps Paul that he realises his chips are down and he needs the gan ...
10-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 26. The Whole Tooth
When Gnasher gnashes Walter's portrait, he gets revenge with a titanium sausage that leaves Gnasher toothless and miserable. Dennis and the gang decide to stage a heist to 'borr ...
11-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 14. Cat V Dog
Walter’s pampered cat Clawdia persuades her way into the gang, and only Gnasher can tell that she has a hidden agenda to oust him from Dennis’s life forever.
15-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 34. Extreme Sports Day
Dennis recruits Grizzly Griller to help make school sports day more extreme, but as he and JJ get competitive against each other, who is sabotaging both their chances of winning?
16-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 29. Dennis Tv
Walter launches his own mega-dull, hypnotic TV channel with a signal booster that swamps all other channels! Rubi helps Dennis set up his own TV channel with a more powerful boo ...
16-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 2: 16. Thumb Wars
In a somewhat misguided attempt to resolve Dennis and Walter’s spiralling competitiveness, Miss Mistry offers thumb wrestling as a solution - but can Walter play fair, or ...
16-09-2025
CBBC
Dennis & Gnasher Unleashed!
Series 1: 27. Freewheelin'
It's the famous Beanotown Freewheeler Derby! During practice, the gang realize Walter's go-cart is especially speedy. Worried that Walter will beat his record, Dennis creates a ...
12-09-2025
CBBC