4 January 1982
|Written by||Christopher H Bidmead|
|Directed by||Fiona Cumming|
|Produced by||John Nathan Turner|
The Doctor’s latest regeneration has proven more unstable than his previous ones. His two assistants, Tegan and Nyssa, help him recuperate on the tranquil planet of Castrovalva.
Adric has been captured by the Master, who is taking advantage of the Doctor’s weakened state to ensnare him in an elaborate trap whose recursive nature threatens to destroy his mind.
As the Doctor begins to recover he realises that the Master’s trap for Adric is even more intricate than he could have imagined and that he will stop at nothing to gain his revenge over the Doctor.
- This is the final part in the Return of the Master trilogy, which began in The Keeper of Traken and continued in Logopolis.
- Nyssa confesses she does not know enough telebiogenesis.
- Tegan is the one in Castrovalva to conclude that the Watcher was a fragment of the Doctor’s future. In the equivalent scene in Logopolis, it was Nyssa who came to that realization.
- The Doctor affixes a stick of Castrovalvan (and therefore, presumably, illusory) celery to his lapel.
- Adric is wise to the process of regeneration and its features.
- The Doctor eventually reconstructes the TARDIS Zero Room shortly before Deceit.
- Tom Baker appears in the pre-titles sequence, in the reprise from Logopolis Part Four, but uncredited.
- This is the first story on which the Doctor is credited as ‘The Doctor’ on the closing credits. Previously the credit has always read either ‘Dr. Who’ or ‘Doctor Who’.
- A pre-titles sequence in part one reprises the ending of Logopolis, in shortened and redubbed form and with slightly rescored incidental music to give it a more up-beat quality.
- New opening and closing title sequences are used, similar to the previous season’s and again designed by Sid Sutton but this time incorporating Peter Davison’s face in place of Tom Baker’s.
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