The doctors of Grey's Anatomy deal with a kidnapped, anonymous young woman on "The Girl with No Name." Watch the official ABC preview for this episode now.
What if Meredith's mother had not died? That would make Meredith a much different person, clearly, and is the basis for this alternate reality episode of Grey's Anatomy.
When Grey's Anatomy returns a week from Thursday, the emotional stakes will be raised once again. Watch the promo for "Suddenly" and see what you think.