Nyssa/Appearances

Appearances by Nyssa of Traken.

Season 18

 * The Keeper of Traken (introduction)
 * Logopolis (joins)

Season 19

 * Castrovalva
 * Four to Doomsday
 * Kinda (cameo)
 * The Visitation
 * Black Orchid
 * Earthshock
 * Time-Flight

Season 20

 * Arc of Infinity
 * Snakedance
 * Mawdryn Undead
 * Terminus (leaves)

Season 21

 * Resurrection of the Daleks (flashback; archival footage)
 * The Caves of Androzani (hallucination; cameo)

Doctor Who mini-episode

 * Dimensions in Time (not generally regarded as canonical)

Big Finish Productions

 * The Land of the Dead
 * Winter for the Adept
 * The Mutant Phase
 * Primeval
 * Spare Parts
 * Creatures of Beauty
 * The Game
 * Circular Time
 * Renaissance of the Daleks
 * Return to the Web Planet
 * The Haunting of Thomas Brewster
 * The Boy That Time Forgot
 * Time Reef
 * Castle of Fear
 * The Eternal Summer
 * Plague of the Daleks
 * Cobwebs
 * The Whispering Forest
 * The Cradle of the Snake

Target Novelisations

 * All televised stories adapted, except Dimensions in Time

Virgin Missing Adventures

 * Goth Opera
 * The Sands of Time
 * Cold Fusion

BBC Past Doctor Adventures

 * Zeta Major
 * Divided Loyalties
 * Asylum (after leaving)
 * Empire of Death
 * Fear of the Dark

Doctor Who Annual

 * Danger Down Below
 * The God Machine
 * The Armageddon Chrysalis
 * The Haven
 * The Penalty
 * Night Flight to Nowhere

Virgin Decalogs

 * Lackaday Express
 * Lonely Days
 * Past Reckoning

Short Trips

 * Past Reckoning
 * The Parliament of Rats
 * The Eternity Contract
 * Hearts of Stone
 * Soul Mate
 * Confabula
 * No Exit
 * The Immortals
 * Not So Much a Programme, More a Way of Life
 * In the TARDIS: Christmas Day
 * The 57th
 * Saturn
 * The Church of Saint Sebastian
 * Wake
 * First Born
 * Men of the Earth

Doctor Who Quiz Book

 * Doctor Who Quiz Book of Dinosaurs
 * Doctor Who Quiz Book of Magic
 * Doctor Who Quiz Book of Science

Doctor Who Annual

 * On the Planet Isopterus

Doctor Who Magazine

 * Time & Time Again (cameo)

Doctor Who Yearbook

 * Blood Invocation

IDW Publishing

 * The Forgotten (impersonated by another character; cameo)