As second-year residents, J.D., Turk, and Elliot find themselves in unfamiliar situations while adjusting to their more senior positions in the hospital.
Eric decides to start his own fraternity; Shawn begins to slack off on school work because he doesn't expect to get into college.
It's Science Fair time at Belleview High.
When the biggest bust of Henry's career is released from jail on a technicality, Shawn and Gus must revisit the 1970s to investigate the case and put the culprit behind bars for good.
Seniors play pranks including asking for help texting an intimate message and collecting signatures for a petition to allow only attractive people to reproduce.