A black light explosion. And the secrets. Open the door for the Immortal. Peri: Katryca? That of the knackers' yard. The Doctor: I've been trying to convince this mobile junk heap here that none of this need happen if he'd only let me shut the system down. The Doctor: Where is he now? The destruction of the universe? We have nothing to fear. [SCENE_BREAK]
Drathro's castle
[SCENE_BREAK]
Drathro: The black light system will collapse in upon itself and we shall all cease to function.
Plan: A: the underground bunker; Q: Where do Queen Katryca and the tribesmen arrive? A: Drathro; Q: Who is the Immortal one? A: The Doctor; Q: Who tries to convince Drathro that he will repair the Black Light system? A: a possible upcoming explosion; Q: What does the Doctor fear could destroy the universe? Summary: Queen Katryca and the rest of the tribesmen arrive at the underground bunker where they confront Drathro The Immortal one. The Doctor tries to convince Drathro that he will repair the Black Light system while he fears that a possible upcoming explosion of the system could have the potential to destroy the universe.