But when they land in the Gardens of the Dead, the whole team - Nyssa, Tegan and Turlough - will have to join forces and fight together to keep the Doctor safe. And discover what is behind the very last door in the TARDIS.
to be added
- Nyssa mentions her father being taken over by an evil being. (TV: The Keeper of Traken)
- Turlough has just joined the TARDIS crew and he mentions Mawdryn. (TV: Mawdryn Undead)