"---but actually it's a reverse subaligned multithermal system with a recalibrated subcortex, keeping everything in line!" the Doctor hadn't stopped talking, of course, because he was still verymuch pleased with his own work.

"Now, since I'm just that clever, I bet I can repair this with just the last bits of the toaster I've got in the kitchen," he grinned madly at Jack. The grin slowly faded, though.

"Everything all right?"