There was a jolt as suddenly Alan was thrown into the side of the creature that held onto the Doctor. Of course! Subjective gravity. That was---well, it was brilliant. The Doctor would never admit that Alan had remembered something he hadn't, of course.

"And what sort of time do you call this?" he said to the other man.

The creature let out a roar. What was it feeding on? The Doctor's irritation at himself? Probably. Oh, this was going to be very bad.

"Alan, I need your help," he said. "We have to get it to leave this world."