Mongrels is a British puppet-based musical situation comedy series first broadcast on BBC Three between 22 June and 10 August 2010, with a making-of documentary entitled "Mongrels Uncovered" broadcast on 11 August 2010. A second and final series of Mongrels began airing on 7 November 2011.

BBC Three is a British free-to-air public broadcast television channel owned and operated by the BBC. It was first launched on 9 February 2003 with programmes targeting 16 to 34-year-olds, covering all genres including comedy, reality shows, documentaries, news, current affairs, adult animation, and drama series. The television channel closed down in 2016 and was relaunched in 2022 after being replaced by an online-only BBC Three streaming channel. The channel broadcasts daily from 7:00 pm to 4:00 am, timesharing with CBBC