Grey's Anatomy Sneak Peek: She's Carrying My Kid, Season 7, Episode 16 Tweet February 23, 2011 by Rebecca Martin Related: Grey's Anatomy, Sneak Peeks , Season 7 Episode 16 Credit: ABC © Disney ABC Television Group Air Date: February 24, 2011. Mark and Arizona argue about the baby on Grey's Anatomy Season 7, Episode 16, "Not Responsible."
