We've posted promos and sneak peeks for the season finale, but now we've got spoilers in a diff form: flat out spoilers. Check out TV Guide's list of five things we should know about the Grey's Anatomy Season 6 Finale!
1. There will be a shooter... and this person will be going after surgeons.
2. Believe the promos and sneak peeks: Meredith really is pregnant.
3. Cristina and Meredith grow up a lot in this episode in that they both become "more adult" in their decision making and actions.
4. Expect deaths, including those of people we know.
5. There will be a happy ending for a fan-fav couple.
Source: TV Guide