Terrence Flack

After finding his father's Playboy Magazine, Chris decides to bring it to school, where bully Joey Caruso steals it, but when Chris and Greg attempt to get it back before Julius knows its missing, things go from bad to worse when the school principal confiscates it.

The BAU travels to Boston when the serial killer from one of Agent Hotchner's first cases, which involved one of the most notorious murderers in the history of New England, returns after 10 years.

Having just returned from her honeymoon with Meredith, Cristina searches for Burke, but he's nowhere to be found. Meredith, Cristina, Izzie and Alex spend their first day as residents with their own groups of interns - among the interns are George, repeating his intern year after failing his exams, and Lexie Grey, Meredith's half-sister whom she has never met. Now that Derek's relationship with Meredith has reached an emotional impasse, he looks to his fellow doctors for friendship; Bailey wrestles with her place within the hospital now that her former interns report to new Chief Resident, Callie; Richard resumes his position as Chief of Surgery.

As Kelly agrees to give up sex for a big TV commercial, Al teams with Officer Dan for an appearance on Cops.