Addison visits Seattle Grace because they need skills that only she has. Rebecca/Ava returns with news for Alex. Meredith and Derek's clinical trial experiences one or two developments.
| Title | Piece of My Heart |
|---|---|
| Genres | Drama |
| Release Date | 2008-05-01 |
| Episode Runtime | 00 Hours 33 Minutes |
| Season Number | 4 |
| Episode Number | 13 |
| Production Companies | The Mark Gordon Company, shondaland, ABC Studios, Touchstone Television, Entertainment One Television, Lionsgate Television, ABC Signature, Trip the Light Productions |
