SPOILER ALERT: This article contains key plot details from Thursday's musical episode of Grey's Anatomy.
The cast of Grey's Anatomy
is wearing Seattle Grace Scrubs and small, unseen earbuds. There's blood, there's medical jargon and everyone is ... singing Snow Patrol
's "Chasing Cars"? While this may sound like a bad Saturday Night Live
skit, it's not. Thursday's episode, in which we learn what happened to girlfriends Callie and Arizona ...