If you aren't already familiar with roller derby, this film is the perfect opportunity ! Fans will also find it entertaining. The film follows Crystal, a 10-year old transgender girl who has to face a binary world with excessive rules. It also introduces 'Vagina Regime', an international queer team that accepts everyone, irrespective of their appearance, history or identity. This is one of the absolute feel-good films on the programme and will make you fall in love with team sports. Get your skates on !