There was a gentle thump of something landing on wood behind him and the Doctor spun on his heels to look up at the very pale bloke crouched atop his TARDIS. His eyebrows went up and he stammered for a moment before he spoke.
"That's very kind of you to make that observation but I promise you, you've not seen one of those before in your life. Now, if you please--" He motioned with both his hands for Jack to get down. "Get off her."