Graham Clarke

Jay agrees to sub in on Cam's bowling team, not knowing it's an all-gay league. Phil and Clair have an unexpectedly nice time with their neighbours, and Gloria and Mitch agree to go out with Haley.

The doctors bid Cristina farewell; a possible act of terrorism rocks the city and causes chaos at the hospital; Meredith makes a life altering decision; a doctor receives unexpected news.

In Boise, an internet predator is using social networking sites to stalk potential victims.

Jane asks Xo for advice about her relationship with Jonathan, and throws Petra a baby shower. Meanwhile, Michael needs to share something with Jane.

Nancy meets Rabbi Dave's friends during an awkward Shabbos dinner. Andy brings home a very special guest to meet the family. Silas prepares for his new business venture. Shane and Angela attempt to retrieve some stolen property. Meanwhile, Doug's homeless group threatens to leave him if he doesn't begin catering to their needs.

Events are set in motion.