Iterations of I (audio story)

Iterations of I was the second and final story in the audio anthology The Fifth Doctor Box Set, produced by Big Finish Productions. It was written by John Dorney and featured Peter Davison as the Fifth Doctor, Matthew Waterhouse as Adric, Sarah Sutton as Nyssa and Janet Fielding as Tegan Jovanka.

Publisher's summary
The house on Fleming's Island had been left to rot. Ever since a strange and unexplained death soon after it was built, and plagued with troubling rumours about what lurked there, it remained empty and ignored for decades until the Cult moved in. As twenty people filled its many rooms, the eerie building seemed to be getting a new lease of life.

But now it is empty again. The cult found something in its corridors... and then vanished.

Trapped on the island one dark night, the Doctor, Tegan, Nyssa and Adric look into the building's mysteries, its stories of madness and death. Their only chance is to understand what terrible thing has been disturbed here... before it consumes them utterly.

Part one
to be added

Part two
to be added

Part three
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Part four
to be added

Cast

 * The Doctor - Peter Davison
 * Tegan Jovanka - Janet Fielding
 * Nyssa - Sarah Sutton
 * Adric - Matthew Waterhouse
 * Aoife Dineen - Sinead Keenan
 * Jerome Khan - Joseph Radcliffe
 * Robert DeValley - Andrew Macklin
 * Donal Dineen - Teddy Kempner
 * Imogen Frazer - Allison McKenzie
 * Martin Tuck - John Dorney

Continuity

 * Adric refers to the fact that he once piloted the TARDIS (TV: The Visitation) while Tegan reminds him that she once did as well (TV: Castrovalva). In piloting it, Adric activates the Synchronic feedback circuit. (TV: The Pirate Planet)
 * The Doctor is in the TARDIS library reading Black Orchid by George Cranleigh, which was given to him by the author's mother Lady Madge Cranleigh on 11 June 1925. (TV: Black Orchid) He would later describe it as being very interesting. (TV: Earthshock) His sixth incarnation was less fond of the book, describing it as "a Boy's Own adventure about an aristocrat who yomped through the Brazilian rainforests, depriving the natives of their orchids." (AUDIO: Year of the Pig)
 * Adric attempts to materialise the TARDIS at Heathrow Airport in 1981, as the Doctor had failed to do on numerous previous occasions. (TV: Four to Doomsday, Kinda, The Visitation; AUDIO: Psychodrome, Smoke and Mirrors) He would later attempt it again after another argument with Tegan. (AUDIO: The Contingency Club)
 * Adric refers to the Logopolitans' use of computers to warp space-time. (TV: Logopolis)
 * The Doctor laments the destruction of his sonic screwdriver by the Terileptil leader in September 1666. (TV: The Visitation)
 * Nyssa refers to the death of her father Tremas at the hands of . (TV: The Keeper of Traken)
 * Tegan tells the Doctor that she has not been able to keep up with him since he had "curly hair and a scarf." (TV: Logopolis)
 * Tegan refers to Agatha Christie. During his tenth incarnation, the Doctor and Donna Noble met Christie at Eddison Manor on 8 December 1926. (TV: The Unicorn and the Wasp)
 * Adric refers to the fact that Alzarians heal much more quickly than humans. (TV: Full Circle, The Visitation)