"Well?" John asked when his boys got back from an exorcism. They looked no worse for wear; though Dean was humming what sounded like How Soon is Now? under his breath and Sam looked like he wanted to beat his brother unconscious with the nearest blunt object. Nothing new there, then, John mused lightly.
"Don't worry, we vanquished the demon," Dean said, moving past his father to the bathroom.
"Vanquished the…" John blinked, and then stared accusingly at Sam. "You've been letting him watch Charmed again, haven't you?"
Sam just nodded, sighed, and went to hide the remote control. Again.