"Doctor," said Fitz tentatively.
"Hmm?" said the Doctor. They were inching slowly down the dark corridor, back to back, trying not to leave any corners unobserved where something could jump out at them.
"Er... you know how you said this creature transforms based on what's in your mind?"
"That's right," said the Doctor. "So think positive!"
"I... might have been trying to teach Compassion about B-movies," Fitz admitted. "And it's really damn hard not to remember that right now."
Well, thought the Doctor, at least that explained why they were now being pursued by a bikini-clad woman fifty feet high.