Snakedance: Part Three 1983
7.1 201 The possessed Tegan and Lon try to find the whereabouts of the Great Crystal. The Doctor finds himself in prison, with only Nyssa to try and get him out. Chela tells the Doctor tales of Dojjen.
Runtime: 24
Starts: Peter Davison, Janet Fielding, Sarah Sutton, John Carson
Director: Fiona Cumming