Sit all over all day writing unfortunate poems about how Im likely to die? In the similar episode, just after JD comes residence and announces he's heading to bed. Billy pretends to have knocked the guy out once again and when JD goes around to check out on him, he pops upright, scaring JD so terribly that he screams and falls about. In the episode with Colin Ferrell, Billy and the man he knocked out perform a prank on Turk and JD.