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 after that ominous fade-to-white, is a full-scale musical event, in which cast members sing many of the songs the show has made famous.
"I have been wanting to do it since we made the pilot basically," creator Shonda Rhimes says. "We needed it to make sense for our show. Plus, I had to convince the network, which took me seven years."
Exclusive: Shonda Rhimes reveals Grey's Anatomy musical details
Having a Tony-winning singer-actress in the cast — Sara Ramirez, who won for Spamalot — certainly helped matters. At the close of the March 24 episode, Ramirez's character Callie, who is pregnant, was — spoiler alert! — moments away from...