Abby Road

S6 E12: Two boys brought in after a fight at school leads Cleo to discover that one of them has been injecting himself with hormones. Hathaway's obstetrics nurse, Abby Lockhart, joins the ER as a third year medical student on an ER rotation. Isabelle Corday (Judy Parfitt) arrives in Chicago as a guest lecturer and meets with her daughter, Elizabeth. Kovac and Hathaway administer to a chronically ill 3-year-old boy. Hathaway proves that his mother intentionally induces the boy's symptoms. Cleo shows Greene that she can play basketball as well as any man.