British Comedy Guide

Dennis & Gnasher Unleashed!. Copyright: Beano Studios.

Dennis & Gnasher Unleashed!

CBBC sitcom starring a CGI version of Dennis The Menace. 51 episodes (1 series), 2017 - 2018. Stars Freddie Fox, Kelly-Marie Stewart, Kathryn Drysdale, Ryan Sampson and others.

Catch-up on Episode 26 on BBC iPlayer   Episode 16 is repeated tomorrow at 7:25am.

Series 1, Episode 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 rex's rampaging through Beanotown! How is Dennis going to set things right without bumping into other versions of himself and destroying the space time continuum?

Broadcast details

This episode is currently available on BBC iPlayer

Wednesday 14th February 2018
10 minutes


  1. Thursday 15th February 2018 at 7:25am on CBBC

Cast & crew

Regular cast
Freddie Fox Dennis (Voice)
Kelly-Marie Stewart Rubi (Voice)
Kathryn Drysdale JJ (Voice)
Ryan Sampson Pieface (Voice)
Rasmus Hardiker Walter (Voice)
Joanna Ruiz Mrs Creecher (Voice)
Joanna Ruiz Various (Voice)
Writing team
Howard Read Writer
Jen Upton Head Writer
Mike Stirling Script Consultant
Craig Graham Script Consultant
Michelle Forde Script Consultant
Production team
Boris Hiestand Director
Karina Stanford-Smith Series Producer
Michael Elson Executive Producer
Jo Allen Executive Producer
Phil Dobree Executive Producer
Steve Dorrance Executive Producer
Emma Scott Executive Producer
Nigel Pickard Executive Producer
Dan Haythorn Editor
Peter Scott Editor
Beverly Maguire Editor
Rob Lord Composer
Graham Kearns Composer

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