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Get five sneak-preview vids of the fifth-season premiere of Grey's Anatomy, along with five spoilerific tidbits about what's to come.

Spoiler bonus: Following this scene, Bailey (Chandra Wilson) starts stealing patients for Seattle Grace, since it is no longer the No. 1 teaching hospital, and they need to up their trauma ranking. Also, late in the episode, a very cranky chief (James Pickens Jr.) gets angry about the ranking situation and goes off on one of the people in this scene like he has never gone off before. You—and the person he yells at—will be stunned.

Spoiler bonus: Even though Lexie (Chyler Leigh) and George (T.R. Knight) seem to be getting cozy, she finds out he slept with the other Grey...and that throws a wrench in the works.

Spoiler bonus: See that blanket wrapped around Miss Izzie Stevens (Katherine Heigl)? Seconds before this clip starts, Alex (Justin Chambers) wraps it around her. Yes, we see a nicer, better-behaved Alex, but that won't last long—not even until the end of this episode.

Spoiler bonus: Meet Major Owen Hunt (Kevin McKidd), the Major Hottie who butts heads with every male doctor in Seattle Grace. There may be blood running down his leg, but that doesn't bother Hunt much; just wait until he staples his own behind later in the episode.

Spoiler bonus: Cristina (Sandra Oh) has to take care of Hunt now, but later in the premiere she may need a little help herself. Speaking of Cristina, she tells Meredith what the rest of have been thinking for a while now: Meredith (Ellen Pompeo) and Derek (Patrick Dempsey) are stuck in a vicious circle, and Cristina's sick of hearing about it!

EXTRA CREDIT CLIP & SCOOP

By now you will have deduced that this is a dream sequence, seeing as how the title of the episode is "Dream a Little Dream of Me," but Derek is stabbed later in the episode, and Nurse Rose (Lauren Stamile) has something to do with it. That lady is full-on Looney Tunes.

What do you think of the above clips and spoilers? Post in the comments!

Grey's Anatomy returns with a two-hour premiere Thurs., Sept. 25 at 9 p.m. on ABC.

—Additional reporting by Natalie Abrams