Air date: 16 February 2012 (Thursday)
Synopsis: Cooper and Charlotte take Erica to Seattle Grace to meet with Derek, Lexie and Amelia regarding a very risky surgery; Scott tells Violet that he would like to take their relationship to the next level; and Addison finds herself caught in the middle of Sam and Jake’s fight about a patient. Meanwhile, Sheldon warns Sam to be cautious as he deals with the return of his sister, Corinne
Cast: Kate Walsh as Dr. Addison Forbes Montgomery, Tim Daly as Dr. Pete Wilder, Benjamin Bratt as Jake Reilly, KaDee Strickland as Dr. Charlotte King, Paul Adelstein as Dr. Cooper Freedman, Brian Benben as Dr. Sheldon Wallace and Caterina Scorsone as Dr. Amelia Shepherd, with Taye Diggs as Dr. Sam Bennett and Amy Brenneman as Dr. Violet Turner
Guest cast: Patrick Dempsey, Chyler Leigh, AJ Langer, Stephen Amell and Anika Noni Rose. Other guest cast TBA.
Written by: Steve Blackman and Craig Turk
Directed by: Allison Liddi Brown