J.D. is intrigued with a clumsy new love interest -- Mandy Moore guest stars -- J.D. (Zach Braff) is introduced to quirky Julie Quinn (guest star Mandy Moore, Entourage) and love is in the air. Worried that J.D. will once again screw up the budding relationship Elliot (Sarah Chalke) doles out effective romance advice. Meanwhile, Carla (Judy Reyes) questions Dr.Cox's (John C. McGinley) tough exterior and is convinced that the sarcastic doctor is really a softy. Elsewhere, the Janitor (Neil Flynn) puts together an air band to win a contest. Donald Faison and Ken Jenkins also star.
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