Therefore, its known narrative elements are not a part of the Doctor Who universe. It may have been the basis for a similar story in another medium, however — and that story may indeed be a part of the DWU.
Cast changes Edit
This story was to have been the final story for Sylvester McCoy. For the role of the Eighth Doctor, the actor Richard Griffiths has been suggested as the actor the producers of the time would have cast.