Grey's Anatomy 10x17 Promo "Do You Know?" HD

Grey's Anatomy 10x17 "Do You Know?" - Cristina imagines the two routes her life can take based on one decision she makes. Meanwhile one of the hospital's patients decides whether or not to live, on "Grey's Anatomy," Thursday, March 27th on ABC. Subscribe to tvpromosdb on YouTube for more Grey's Anatomy season 10 promos in HD! Official website: http://abc.go.com/shows/greys-anatomy/ Official Facebook Page:   / greysanatomy   Official Twitter Page:   / greysabc   Grey's Anatomy on Amazon: http://bit.ly/GreysAnatomyABC