J.D.'S efforts to make a good impression on a first date reach desperate levels when he and Kylie get caught in a hospital quarantine. A series of unfortunate events bring J.D. And Kylie to Sacred Heart on their first date, where J.D. accidentally initiates a SARS quarantine and is forced to resort to desperate measures to make a good impression. While the hospital is in lock-down, the rest of the staff recounts various first date stories leading to the revelation that Dr. Cox and Carla dated in the past. Tara Reid guest stars as J.D.'s ex-girlfriend.