Scrubs - Season 3 Episode 17 -

JD and Carla are becoming closer; furthermore, they are "bead friends". Dr. Ramirez, someone Carla used to like before he left the hospital, is back in town, and Carla goes out with him, not telling Turk. The janitor is dressing up as his "twin" brother, Roscoe, to trick JD and Turk, but they won't fall for it.