"What it means is that it's very possible that my theory that this is an artificial reality is correct," she said eagerly. While it wasn't the theory she was most fond of, to have something that fit her hypothesis, to see little pieces falling into place, gave her a scientific thrill that for the moment outweighed any anxiety she had about who or what might be ultimately responsible.

"Sir, Doctor Who is a television show. It's fiction. But what I just saw was definitely not a prop or a replica. It was... bigger on the inside," she said, gesturing. "And the only way I know of that fictional people and things could exist in any actual reality is if they were created by an outside entity to be as real as possible in every way, and that can only exist within the confines of a virtual reality scenario."