Frank Cameron

When JD asks for help teaching interns, Sean shares some training tips he picked up at SeaWorld, Meanwhile, Dr Cox finds the perfect paediatrician for his son.

Dr Cox regrets asking JD to examine Ben as all JD's other patients then need help. Elliot's concern about a bunion causes Carla to reveal something she's been hiding from Turk all this time.

Clock tries to reconcile JD and Elliott, while waiting to see which one Dr Cox will be giving the Chief Resident position to. Meanwhile, Dr Cox, Turk and Janitor are forced to work together to help a patient.

Kevin Casey is a brilliant specialist whose obsessive compulsive disorder makes him even more unusual than the other staff.

The surreal medical comedy soars to new levels of bizarreness as the flight of a butterfly seems to influence the fate of JD's patients.

JD asks Dr Cox for lunch but runs into annoying former patient Jill Tracy, who unexpectedly teaches him something about responsibility. Elsewhere, Elliot and Carla discover that Todd's been lying about all his hospital `conquests'.