In tonight's episode of Grey's Anatomy, the death row inmate at Seattle Grace, William Dunn (Eric Stoltz), makes an odd offer that the staff struggles to come to grips with.

Elsewhere, Derek's mother, Carolyn, makes a surprise visit to Seattle and meets Meredith for the very first time, while Mark tries to conceal his relationship with Lexie, and Owen and Cristina try to go on their first date. Check out the videos we've posted for previews!

As always, you can talk about "Sympathy For the Devil" before, during and after the show in our

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