One-off return of the comedy drama about a family with a learning disabled daughter. Rosie is now 13 and is starting to display increasingly challenging, emotional and physical behaviour. She veers wildly from a joyous obsession with the letter X to sudden violent outbursts. But then the family realise Rosie is simply struggling to cope with the onset of puberty like any other teenage girl. Starring David Tennant, Jessica Hynes and Miley Locke
