"According to Duff, even after the discovery of two episodes from Season 6 "The Man Who Kissed His Own Brain" and "Tomorrow is a Tunnel" which were apparently found in the basement of a LDS Church near Chorley in September 2005, there are still a further 23 episodes officially missing from the BBC archive, including the entirety of Season 10.Duff describes the "Missing" Season 10 episodes as follows