: 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.
: 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
: 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
: 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
: 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
is the 14th episode of the fourth season of the medical drama Grey's Anatomy , which originally aired on May 8, 2008. Primary Plotlines