The interns face a mass-casualty incident while George crosses the professional line with Callie, Cristina asks Preston to let her tell Meredith about their engagement before anyone else finds out, and the Chief dons a new hair style.

Starring:

Ellen Pompeo, Chandra Wilson, James Pickens, Jr., Justin Chambers, Sara Ramirez, Patrick Dempsey, Kevin McKidd, Sandra Oh, Jessica Capshaw, Jesse Williams, Sarah Drew, Eric Dane, Camilla Luddington, Katherine Heigl, Chyler Leigh, Jerrika Hinton, T.R. Knight, Jason George, Caterina Scorsone, Kelly McCreary, Isaiah Washington, Kim Raver, Kate Walsh, Giacomo Gianniotti, Martin Henderson, Gaius Charles, Tessa Ferrer, Brooke Smith, Jake Borelli, Greg Germann, Chris Carmack, Richard Flood, Anthony Hill

Genre:

Drama, Romance, Medical