The day of the Waterloo Road pantomime has finally arrived, but when Finn gets Kyle purposefully kicked off the cast, Sam begins to doubt their relationship - he is not the boy she thought he was. Meanwhile, Denzil learns his lesson when his latest stunt ends in tragedy. Elsewhere, Jonah sneaks out of school to meet Cesca and they rush to Gretna Green, but will the police catch the couple before they reach the church?