Grey's Anatomy Memorable Moment: Cristina Begs Meredith to Be on Her Side, Season 8, Episode 21 Tweet June 21, 2012 by Rebecca Martin Related: Grey's Anatomy, Season 8 Episode 21 , Cristina Yang , Meredith Grey Credit: Hulu Cristina begs Meredith to be on her side in Grey's Anatomy Season 8, Episode 21: "Moment of Truth."
