Grey's Anatomy
S04E13 Piece of My Heart
Addison arrives at Seattle Grace to lend her unique expertise, which the team desperately needs. Meanwhile, Rebecca, also known as Ava, comes back with important news for Alex. Additionally, Meredith and Derek's clinical trial faces a couple of significant developments that could change everything.
Season 4 Episodes
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A Change Is Gonna Come
Love/Addiction
Let the Truth Sting
The Heart of the Matter
Haunt You Every Day
Kung Fu Fighting
Physical Attraction, Chemical Reaction
Forever Young
Crash Into Me (1)
Crash Into Me (2)
Lay Your Hands on Me
Where The Wild Things Are
Piece of My Heart
The Becoming
Losing My Mind
Freedom (1)
Freedom (2)