Grey's Anatomy Clip: That is MY Sexy Zombie Nurse!

The madness that is Comic-Con is coming to Seattle Grace.

Tonight on Grey's Anatomy, the surgeons must spring into action following a stampede at a comic convention, causing an influx of colorful characters to flood the hospital and blur the lines of fantasy and reality.

The best part of this sneak preview clip? Richard's quote:

"What Is It About Men" airs tonight at the usual time (9 p.m. EST) on ABC. We'll review it after it airs, as always. Here are two earlier sneak preview clips from the fourth episode of the show's eighth seasons:

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