Stu— [ The Doctor sputters, eyes wide as plates before they narrow in disbelief, scrutinizing the professor. ] Stupid!?

[ he can't believe it. seriously! he's been nothing but honest with these people (okay, not really) and all that this man can say is that it's stupid!? ]

Are the humans of this universe even more empty-headed than the one I came from? I just told you I'm an alien lifeform from outer space! A clever one, too!