The rescue is on.

While the Grey's Anatomy season nine premiere picked up 30 days after the plane crash that claimed the lives of Lexie (Chyler Leigh) and Mark (Eric Dane), Thursday's second episode will flash back to the site of the crash offering a glimpse into the traumatic events that will continue to plague Arizona, Cristina, Meredith and Derek.

A new spoiler-filled super trailer goes back to the woods and previews the doctors' rescue and their various roads to recovery. So who's getting steamy? Who could be engaged? And more importantly, will Arizona (Jessica Capshaw) ever return to the cheerful pediatrics surgeon she was before the crash? Here are eight teasers from the jam-packed season nine promo.

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1. Arizona makes Callie (Sara Ramirez) promise not to let the doctors amputate her leg. It's a promise that Callie clearly was unable to keep, with her wife in a deep depression following the surgery that nearly claimed her life -- "she's crashing!" Alex (Justin Chambers) says in the promo. Meanwhile, Callie will turn to tough love and drags Arizona into the shower to snap her out of her depression.

2. Following their rescue, Cristina (Sandra Oh) is (predictably) in shock -- and unable to speak to her "person," Meredith -- or Owen (Kevin McKidd). As she recuperates from a hospital bed at Seattle Grace, she'll flash her temper for the new class of interns and shatter a window in the process.

3. Cristina will high-tail it out of Seattle, telling Meredith (Ellen Pompeo) that she's right about her running away from the emotional duress. "I am, I'm fleeing!" she tells her on her way out.

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4. Cristina will find a way -- sans clothing! -- to move on from the events of the crash, sharing a steamy sex scene. Who it's with, meanwhile, is unclear.

5. Cristina it turns out isn't the only one getting her groove back as Meredith and Derek (Patrick Dempsey) won't have to deal with survivors' guilt for very long, sharing a sexy romp of their own.

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'Grey's Anatomy' Season 9 Trailer: Sex, Marriage and Arizona's Road to Recovery (Video)