"Grey's Anatomy" is no stranger to killing off people. Since it's a hospital show, patients are dying left and right (if you need medical attention, don't go to Seattle's Grey-Sloan Memorial) -- but the show's main characters aren't safe either. Even though Shonda Rhimes has been killing the people we love for 12 seasons now, we keep coming back for more.

Here, then, are the 15 biggest "Grey's Anatomy" deaths so far, ranked from "kinda sad" to "we can't stop crying." Somebody sedate me!