Grey's Anatomy: Season 8, Episode 14

All You Need Is Love

In the spirit of Valentine's Day, Meredith and Derek try to have a night to themselves when Lexie offers to watch Zola. Callie hands babysitting duties over to Mark so that she can surprise Arizona with a romantic evening. Ben proves to Bailey that he knows her better than she thinks. Meanwhile, the ER fills with romantics, including a 10-year-old girl who has an allergic reaction to chocolates from her valentine and a man who is hit by a car while chasing down his frustrated girlfriend.