Duration: 43m

TV-14 8.0 Drama / Romance

Grey's Anatomy S6E5

As Mercy West merges with Seattle Grace, battle lines are drawn between the two hospital's residents over the patients.

Release Date: October 15, 2009 (USA)

Creator: Shonda Rhimes

Cast: Ellen Pompeo, Justin Chambers, Chandra Wilson, James Pickens Jr., Kevin McKidd, Camilla Luddington, Caterina Scorsone, Kelly McCreary, Giacomo Gianniotti