"I think it looks like we're being watched," the Doctor agreed. He waved up at the glass, but there was no response. "Means we're not held in a psychic prison therefore there must be another way out."

He dropped to the floor and began checking the tiles for any secret cracks or levers he hadn't noticed. He traced his fingernail along the seal in the tiling, but nothing, not even a speck of dirt, came out. He felt terribly naked without his brainy specs in a time like this, though he didn't say so aloud.

"I think we're going to need to get their attention to get the doors open," the Doctor said, hopping back to his feet. Odd. Jack looked a lot taller, now. He had to be the same height, but his proportions looked all wrong. The Doctor blinked a few times and Jack went back to himself. Strange.