the "grey's" are back in blue

We already know things are going to look a little different at Seattle Grace when "Grey's Anatomy" returns to the air Sept. 27. But now, thanks to an update on the show's media site and a story in Us Weekly, I've got a few more details about what the new season holds. If you want some spoilers — more like teasers, really — then you just have to

According to ABC, the newly minted residents will be getting their own interns to mentor. Among the interns: George, repeating his internship after failing the exam (an executive producer told Us that he'd be Meredith's intern), and Lexie Grey, Mere's half-sister.

Cristina takes Meredith on her "honeymoon" after being left at the altar; according to Us, when Cristina returns two weeks later, Burke is mysteriously nowhere to be found. As for Mere and Der, they're at what ABC calls "an emotional impasse."

The crew doesn't adjust well to taking orders from Callie instead of Bailey. Bailey, meanwhile, has to find a whole new place in the hospital hierarchy after being passed over for chief resident.

The Chief returns to his position, but this time he's attempting to keep a better work/life balance for the sake of Adele, with whom he has officially reunited.

Mark tries to rekindle his friendship with Derek; apparently, the guy's lonely after Burke and Addison both leave.

It's not much to go on, but it's a start, especially considering how tightly Shonda Rhimes guards her spoilers. What else would you like to see happen in season four?

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