Richard reminds the residents that they can no longer specialize. Cristina is upset about being assigned to the clinic, but shares her best cardio tips with Meredith, including how to perform a complicated procedure she's never done before. Erica lets Meredith do the procedure but advises her, "If you lie to me again, the next heart you'll see will be your own as I cut it out of your chest with a steak knife!"

• Season 5, Episode 4: I Want Back on This Case

• Season 5, Episode 4: We're Going to Pretend

• Season 5, Episode 4: I'm Still Buying You Beer

• Season 5, Episode 4: You Keep a Diary?

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