Tristan Campbell is the producer of the BBC show, Songs of Praise who comes to Dibley to film an episode of that show.He returns at Christmas over a year later, and reminds Geraldine of his previous visit. In this episode, however, he is identified as Tristram Campbell. Not only is the changed name listed in the end credits, but that is the name used in the episode, both by himself and the other characters. Show less «