The Big Bang Theory Season 6 Episode 16
The Tangible Affection of Proof
- Leonard plans a romantic dinner for him and Penny on Valentine's Day. When Howard breaks his present for Bernadette, he decides they should double date. The dinner is a disaster when Bernadette is mad at Howard for spending all his time playing video games instead of doing a few chores she asked him to do. And, Penny is distracted when she spots her ex-boyfriend with the ex-friend that he cheated on her with, especially when he proposes at the restaurant.
- Sheldon asks Alex to pick out a Valentine's Day present for Amy. She comes up with three presents. Sheldon discounts the first two and keeps the third for himself. When Amy shows up for their date, she tells Sheldon that her gift is to not celebrate. She wants to order pizza and watch Star Wars Trek with him. He loves the idea.
- Raj and Stuart throw a singles party at the comic book store. After telling everyone there it's okay to not be in a relationship, a girl comes up to Raj and he asks her out for coffee.