So much worse...

On Thursday's episode of "Grey's Anatomy," Christina and her intern deal with the Jehovah's Witness parents of a young boy who needs blood. Watch the sneak peek below.

Read about "How I Met Your Mother's" Nazanin Boniadi To Grey's Anatomy, to get the details about her upcoming guest spot. Join's Weekly Soap Debate to weigh in on the best workplaces in Daytime.

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- Candace Young