The first two sneak previews of this week's Grey's Anatomy hinted at new, stressful situations for the surgeons, and the latest three clips, which we've posted below, echo that theme.

Tensions are high as Meredith and Cristina grapple with heightened levels of responsibility, while Jackson is feeling on edge and Lexie looks like she's about ready to lose it ...

[video url="http://www.tvfanatic.com/videos/almost-grown-sneak-preview-3/" title="Almost Grown Sneak Preview #3"] [/video]

Follow the jump for two more clips from "Almost Grown," in which Cristina is told to get her act together or go home (rough), and the fourth-year residents get a short-lived promotion:

[video url="http://www.tvfanatic.com/videos/almost-grown-sneak-preview-4/" title="Almost Grown Sneak Preview #4"] [/video]

[video url="http://www.tvfanatic.com/videos/almost-grown-sneak-preview-5/" title="Almost Grown Sneak Preview #5"] [/video]

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