Skinnybritishdudes - Look I Just Need This Ok

Benedict reading the lyrics to R. Kelly’s song

In The Resurrectionists, in the scene where the surgeon calls Crowley Doctor, Crowley actually becomes the Doctor for a moment.

While Dalrymple is wiping blood off his hands, Crowley tells him to consider washing them, and that "it'll be all the rage in a few years." Crowley might know about germs, but he's not a time traveler. He's always seemed slightly surprised and bemused by the course of human events, not casually predicted them.

That's just exactly something the Doctor would say, though.