J.D. begins to think Dr. Cox may have feet of clay when his mentor seems unable to deal with his friend Ben's potentially fatal illness. Meanwhile, Turk is upset at the news that he isn't the best surgical intern on the team, but he's even more frustrated when he finds out who is. Dr. Kelso asks Elliot to write a supposedly anonymous evaluation of him -- but the joke's on Carla when she volunteers to ghost-write.