The Gemma FactorThe Gemma Factor is a BBC Three sitcom starring Anna Gilthorpe, Claire King and Gwyneth Powell. The series premiered on Tuesday 9 March 2010, and has six episodes.OverviewThe series is set in a town called Lumb in West Yorkshire, some scenes are set in Halifax, [West Yorkshire|Halifax] and follows Gemma Collinge who "wants to be famous by the time she turns 21." It was filmed around Hebden Bridge and Heptonstall.