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Grey's Anatomy

Grey’s Anatomy Season 9, Episode 23 Spoilers: Clues From the Sneak Peeks (VIDEOS)

Grey’s Anatomy Season 9 heads into its two-part finale tonight (May 9) with Season 9, Episode 23: "Readiness Is All." What can we expect from this episode? We've already rounded up the biggest spoilers about it, but if that's not enough for you, we've also taken a close look at the sneak peeks to find out what they reveal.

What happened to Jo? This sneak peek seens ti confirmswhat everyone assumed at the end of Episode 22: Jason is the one that hit Jo during a fight. Damn. Guess he really is a "douchebag." Though it might be worth noting Jo does not say the words, "yes, Jason hit me." Could there be another twist in the works?

What will Alex do? Alex is all sweetness for most of that clip, tucking Jo in and telling her she's safe. But then at the end he grabs his keys and dashes for the door. Is he going to do something stupid?

Disaster mode. In this sneak peek, we see that the hospital is busy preparing for a massive storm that's headed towards Seattle.

Will Meredith push herself too hard? In the same sneak peek, we see Meredith insist she's not going to slow down, even though she's three weeks from her due date. Result? A terrible tumble down the stairs.

Shane's insecurity. In the sneak peek below, we learn that Shane is uber-insecure after being kicked off of Derek's rotation. He's afraid all of the docs think he's not worth working with.

Bailey's still got feelings. Maybe we're reading too much into it, but that clip also seems to hint at Bailey still having a lot of unresolved feelings about the patients who died. She grills Shane about how he'd feel if an improperly sorted file resulted in a patient death, and then turns down an opportunity to operate.

What's going to happen to Ethan? In this clip, we learn that Ethan's grandmother has talked to Cristina about withdrawing care from Ethan's comatose father. Cristina was honest with her: Given the father's lack of improvement so far, chances are he's too far gone to save. Owen's not having it though.

Arizona and Lauren. In this clip, Arizona and hot doc Lauren bond more. Is this bad news for Calzona?

Catch the episode tonight, May 9, 2013, at 9 p.m. ET/PT on ABC.

Rebecca Martin is an editor at Wetpaint Entertainment. Follow her on Twitter @BeccaDMartin.