The Doctor frowned irritably when he heard the tapping. Always the theatrics with this one. Always. The TARDIS was giving off a distinct air of irritation and unhappiness as well as the Master walked around the ship.

Sighing, he opened the doors, frowning and trying not to appear as uncomfortable as he felt.

"Alright, here I am. Mind the paintwork!" he added in defence of the TARDIS. As if turning her into a paradox machine wasn't enough.