Duration: 43m

TV-14 8.0 Drama / Romance

Grey's Anatomy S4E1

The interns, now residents, deal with their own crops of interns. Callie struggles with her new position, and Burke makes a decision.

Release Date: September 27, 2007 (USA)

Creator: Shonda Rhimes

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