Hahaha the Doctor's face when he realizes Rose was talking about a cat. <---- what really cracks me up is that he's experimenting with back-combing!<----Also, the cat was ginger. Didn't he want to be ginger?
David Tennant talking to an 11 year old fan, Nathan, on Absolute Radio. It's super sweet because David was inspired to act by the Fourth Doctor as a kid and now he had the opportunity to inspire someone :)