[s4e14] The Becoming Guide

: Following complaints about Mark Sloan's multiple trysts, the nurses go on strike against him. This leads to the implementation of a "date-and-tell" policy at Seattle Grace, requiring all staff to report sexual relations.

: Callie Torres and Erica Hahn share an awkward but improving dynamic at Joe's bar after Addison Montgomery's previous comments about them. [S4E14] The Becoming

: Cristina is forced to confront her lingering feelings for Preston Burke. A significant moment in the episode features her singing during a surgery while dealing with professional and personal blows. : Following complaints about Mark Sloan's multiple trysts,

: Richard Webber appoints George O'Malley to manage the new dating forms to prove he is delegating effectively to his wife, Adele. [S4E14] The Becoming