A new UFO sighting sends suspicion and fear through the town and leads Max and Isabel to investigate the incident during a school camping trip.

Danny is on his way home after a long shift and finds Randy Williams subway surfing. Mac and Lindsay arrive on the scene and begin to wonder if Randy Williams…

Comeuppances are in store for Dr. Cox, Dr. Kelso and J.D. from a hypochondriac, a surgical patient and Elliot, who wants more than just sex from J.D.