S04E13Grey's Anatomy season 4 episode 13: Piece of My Heart
Aired 1 May 200843 minRated TV-14
Where to watch Grey's Anatomy Season 4 in Australia
Grey's Anatomy season 4 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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Availability checked 16 November 2026.
What happens in “Piece of My Heart”
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.
Episode summary: TMDB.
Before you watch
- It is episode 13 of 16 of season 4, so watch episodes 1 to 12 first.
- It runs about 43 minutes.
- Directed by Mark Tinker, written by Stacy McKee.
- TMDB users rate it 8.0 out of 10 (18 votes).
Grey's Anatomy trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Grey's Anatomy trailer
Cast and crew of this episode
- Director
- Mark Tinker
- Writer
- Stacy McKee
- Guest stars
- Kate Walsh as Addison MontgomeryBrooke Smith as Erica HahnClea DuVall as Jennifer RobinsonGloria Garayua as Intern GraciellaAmy Madigan as Katharine WyattLauren Stamile as Nurse RoseElizabeth Reaser as Rebecca PopeRichard Keith as Intern Mitch
Credits: TMDB.
More from Grey's Anatomy Season 4
Every episode of Season 4Grey's Anatomy episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.