With the dust still settling from Thursday's emotional season opener, next week's new episode of Grey's Anatomy is already at the forefront of our minds. That's when Meredith drops a bomb on Derek (it had to happen eventually) and Cristina's PSTD manifests itself.

How will he react, and what will be the fallout from Yang's lingering issues? Click to enlarge the photos from "Shock to the System" below and leave a comment with what you think ...

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