Freefonix is a children's animated television series created by Magnus Fiennes, Alex Tate and Simeon Warburton and co-produced by Cinnamon Entertainment, Toonz Animation-Trivandrum and Method Films for CBBC, in association with Isle of Man Film. The series launched on 4 January 2008 on BBC One with the first thirteen episodes; airing weekly up until 28 March 2008. The rest of the series was broadcast on CBBC from 18 December 2008 to 22 January 2009.

The series focuses on three musical 'Freewave' renegades that make up the fictional band of the same name. Using the power of the Thirteenth Note, a mystical musical energy source, they take part in musical battles against antagonist band Mantyz in order to keep their home city of Los Bosmos safe from the evil Sonic Lord known as Vox and the money-making schemes of Mya De Zya, the head of ComaCo, a record label and corporation who produce manufactured 'prepsi' musical acts.