"I know!" came the reply, the Doctor holding up the beam as best he could so Idris could get out. "Come on, now, out you get. You've no time to be lying around, you know." Despite the sarcasm, the worry was clear in his tone, and he looked at Idris with barely-masked fear mingling with unabashed relief.

"I don't know, but this whole place is coming down! We need to hurry up and get out of here. You haven't happened to see your other self around, have you?" As he talked, he glanced around, as though hoping a blue box would simply materialize. Well, she did tend to do that.