- Sheldon Cooper: Obviously, he wanted a place to go where I wouldn't be. But apparently, all of the outside wasn't enough for him.
- Leonard Hofstadter: You're my best friend. I want you to have the wedding of your dreams.
- Sheldon Cooper: On Mars?
- Leonard Hofstadter: Okay, I want Amy to have the wedding of her dreams.
- Penny Hofstadter: What is this picture?
- Amy Farrah Fowler: Oh, it's an MRI of our brains photoshopped to look like they're kissing.