It's Christmas at Grange Hill and the end of term disco promises to be a huge success, thanks to Tucker's brother, who 'lends' the school a disco unit. But will Tucker be able to enjoy himself and keep an eye on the equipment? This special edition of Grange Hill is a result of the successful Blue Peter competition earlier this year. The winning storyline by 16-year-old Paul Manning was adapted for television by Phil Redmond, creator of Grange Hill.