6. Season 6, Episode 16: Perfect Little Accident - Cheer Up, Twisted Sisters, & Bloodlines
When Cristina is having a bad day, Meredith knows exactly what to do to cheer her up, and she won’t hesitate to do it, even if it means throwing her half-sister under the bus. Meredith understands that when Cristina disses her, it’s meant lovingly, and all part of C’s honesty. They have their twisted sister connection, and though the people around them might not get it, they’re happy to be monsters together. Even if Cristina can be facetious.