Below are three sneak previews of tomorrow night's episode of Grey's Anatomy, "New History." What do you expect when the new cardio god(dess) comes to town?

How about a hilariously awkward introduction with Cristina? You got it.

Meanwhile, what's the fallout from the Cristina-Jackson kiss? According to Cristina, there was no kiss. There, that settles that! Leave it to Yang to clear things up.

Lastly, Izzie's back and things are getting tense already. At least she went and sought treatment elsewhere, but that's not likely to ease the tension with Alex.

Here's the first clip from the episode, with two more after the jump ...

[video url="http://www.tvfanatic.com/videos/new-history-sneak-peek-1/" title="New History Sneak Peek #1"] [/video]

[video url="http://www.tvfanatic.com/videos/new-history-sneak-peek-2/" title="New History Sneak Peek #2"] [/video]

[video url="http://www.tvfanatic.com/videos/new-history-sneak-peek-3/" title="New History Sneak Peek #3"] [/video]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.