Dennis & GnasherEpisode 29: First Aid DennisCBBC Duration: 15 minutesFirst broadcast: Wed 3rd Feb 2010, 15:40 on CBBC ChannelLatest broadcast: Fri 4th Oct 2013, 15:45 on CBBC ChannelAnimation. Dennis and Gnasher believe the world truly is their oyster and that kids should make the rules. Not everyone agrees, including Mum and Dad.GenresChildren'sEntertainment & ComedyFormatsAnimationSeriesDennis & Gnasher Source: BBC Online