Dennis and Gnasher is a British animated television series based on characters from The Beano comic, which was broadcast on BBC from 2 April 1996 until 7 May 1998. Reruns aired on CBBC until January 2009. The series was produced by Collingwood O'Hare Productions and D.C. Thomson & Co. in association with BBC Television, alongside Flextech and PolyGram Video for the first season only. It was distributed by HIT Entertainment worldwide and was directed and largely written by Tony Collingwood.

The Beano is a British anthology comic magazine created by Scottish publishing company DC Thomson. Its first issue was published on 30 July 1938, and it published its 4000th issue in August 2019. Popular and well-known comic strips and characters include Dennis the Menace, Minnie the Minx, The Bash Street Kids, Roger the Dodger, Billy Whizz, Lord Snooty and His Pals, Ivy the Terrible, General Jumbo, Jonah, and Biffo the Bear.