Valentine’s Day at Seattle Grace.

• Callie surprised Arizona with a night away in Derek’s trailer, leaving Mark to watch Sophia.
• Alex watches over a young girl with a peanut allergy reaction.
• Lexie and Webber work on a patient who died before proposing to his girlfriend.
• Adele doesn’t recognize Richard.
• Meredith and Derek enjoy a night out while Lexie babysits. She shows up at Mark’s to talk but Jackson is there.
• Ben knows Miranda so well he plans their night out at the cafeteria.
• Owen tells Cristina he is moving out.