Four sneak previews of this week's Grey's Anatomy have just been released, and each depicts a different scene playing out in what looks like a very busy episode.

As we know, this is Meredith's "Golden Hour," but she's got more to manage than patients in the ER. For example, Cristina tells her about a request from Callie.

An unexpected request. Wait until you hear what it was, and Mer's reaction:

Follow the jump for three more clips from "Golden Hour," in which ...

• Mer meets some of her patients for the night, Adele included.
• Teddy runs into an ex (we think), who then runs into Henry.
• A doctor awkwardly preps for some on-call room lovin'.

You may be surprised (and delighted) by the last item:

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