TURLOUGH: And? I travel in the TARDIS too, now. TEGAN: It's your room. TURLOUGH: Is Nyssa safe? I'm trying to refocus the exterior viewer on the interior of the TARDIS. DOCTOR: The TARDIS found it. TEGAN: The Doctor! GUARDIAN: Follow, and kill him! OLVIR: That's our ship! Come in.
Plan: A: the Black Guardian's direction; Q: Whose direction did Turlough sabotage the Tardis under? A: the nearest ship; Q: Where does the Tardis materialize after Turlough sabotages it? A: her room; Q: Where is Nyssa trapped when the Tardis materializes? A: the spaceship; Q: Where does Nyssa escape to? A: the Tardis's emergency circuits; Q: What landed the Tardis on the spaceship? Summary: Turlough sabotages the Tardis under the Black Guardian's direction and the Tardis materializes in the nearest ship. Nyssa is trapped in her room and has to escape into the spaceship the Tardis's emergency circuits have landed it on.