Best Men (Modern Family)

"Best Men" is the 17th episode of the fourth season of the American sitcom Modern Family, and the series' 89th episode overall. It aired February 27, 2013. The episode was written by Dan O'Shannon & Abraham Higginbotham based on a story by O'Shannon, Higginbotham and Bianca Douglas. It was directed by Steven Levitan.
Plot
Sal (Elizabeth Banks), Mitch (Jesse Tyler Ferguson), and Cam's (Eric Stonestreet) best girlfriend back from their party years comes to their home unexpected and announces them that she is getting married to someone who met three months ago. The wedding is the next day and she asks them to be her best men. Of course they accept but they are not sure if Sal is ready for a wedding since she was always been the party girl. When Sal makes out with the bar-tender just one hour before the wedding, Cam wants to stop the wedding.
Jay (Ed O'Neill) and Gloria (Sofia Vergara) have a new nanny, Daliya (Nosheen Phoenix) but...