"There is a very complex thing that occurs for many of our characters that places a lot of them in a position to discover what they're made of," the ever-tight-lipped Grey's boss Shonda Rhimes teases of the major event that erupts in the season-ender. (Seriously, she said "thing.") "I don't know that you could guess it," she says.
Challenge accepted! Could it be a forest fire that threatens to claim Meredith (Ellen Pompeo) and Derek's (Patrick Dempsey) recently finished McMansion? Maybe a rescue helicopter will fall from the roof and crush one of the docs? (Wait a minute; that sounds familiar.) Rhimes' only clue: When we asked whether this incident is similar to the devastating ferry boat crash or the rampaging shooter from seasons past, she replied, "Yes. That's a yes to both!"
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