After dark on Grey's Anatomy, all hell breaks loose.

Patients start sleepwalking. Interns start performing surgeries ... on each other. Ghosts appear and possibly make love to their ex-fiances. It's totally nuts.

We're just getting started on last night's drama, too. For a comprehensive breakdown of Grey's Anatomy, follow this link for a full recap of "In the Midnight Hour" ...

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