[ The Doctor is fiddling with something. Yes, he is still at trying to solve some sort of frequency lock on the Science Center. He's dang well determined to fine one. ]

Another one who is back, eh? You've really got to tell me how you do that coming-and-going-away-trick. It would help loads. [ He glances up at the screen with a smile. ] I've got some jammy dodgers if you're interested. Although, I'm not sure where you're at.