: 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.
is the 14th episode of the fourth season of the medical drama Grey's Anatomy , which originally aired on May 8, 2008. Primary Plotlines [S4E14] The Becoming
: Meredith's therapist, Dr. Wyatt, challenges her on her "cowardice" regarding her fear of a relationship with Derek, leading to a tense confrontation. Notable Scenes & Details : Following complaints about Mark Sloan's multiple trysts,
: 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. Primary Plotlines : Meredith's therapist, Dr
: Izzie Stevens discovers that Ava is not actually pregnant and is experiencing a psychological break, but she struggles with maintaining patient confidentiality versus telling Alex.
: Callie Torres and Erica Hahn share an awkward but improving dynamic at Joe's bar after Addison Montgomery's previous comments about them.
: Meredith Grey and Derek Shepherd admit a military veteran into their clinical trial. They work on synchronizing their virus injections into a tumor during a simulation.