Credit: Danny Feld/ABC Television Group © 2010 Disney Photo: Meredith on Grey's Anatomy, February 17, 2011

On Grey's Anatomy Season 7, Episode 19, Meredith (Ellen Pompeo) switched the paperwork for Derek (Patrick Dempsey)'s Alzheimer's trial to ensure that Adele Webber would get treatment. We totally understand her motivation — Adele seems to be deteriorating quickly, and the Chief is a friend — but we're pretty sure that tampering with a clinical trial is, well, highly unethical. Did Meredith do the wrong thing?