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J.D. tries to teach compassion with help from "Sesame Street" favorites Elmo, Grover and Oscar the Grouch. Meanwhile, intern Katie hopes to land a spot on Turk's research team by scamming Elliot.
J.D. and Elliot want to spice up their rekindled romance. Elsewhere, Cox considers taking a new job as chief of medicine.
Motivated by the mounting pressure of his new job, Cox reaches out to former enemy Dr. Kelso.
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