In this episode of Grey's Anatomy, Addison returns to Seattle Grace with a medical crisis she's praying Derek can fix, Owen's past comes back to haunt him, and Izzie makes the interns play a game for a "really big prize."
Addison is back this week because her brother has a serious case of neurocystic sarcosis (that's fancy talk for parasites in the brain), and she's hoping Derek can come to his rescue by performing a risky surgery to save him. At first, Derek considers Archer Montgomery's (Grant Show) condition inoperable, but after a pep talk from Addison and a renewed look at the X-rays with Sam (Taye Diggs), Derek changes his mind.
What follows is an intense surgery where Derek attempts to remove all eight of Archer's cysts without rupturing them. The first 7 go smoothly, but as could be predicted, the eighth one bursts and the worm escapes. Suddenly, Archer's future isn't looking so bright as Derek frantically searches to find and remove the worm in one piece. Whether it was Addison's prayers in the chapel or pure luck that did the trick, Derek ably finds that worm and the surgery is a success!
Addison's return this week also uncovered more hidden gems from Derek's past. Who would have guessed that Derek was the guitar-playing, serenading type of guy? Certainly not me, but I'm enjoying the mental image. The idea of Derek performing a song for Addison on their wedding day is pretty endearing, although I have to admit his lyrics could use some work. I guess the question now becomes: Will he pen another melody for Meredith?
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