3. Sheldon and Amy throw a G-rated sleepover.
In an attempt to suspend the date-night parameters of his relationship agreement with Amy, Sheldon agrees to partake in a family-friendly overnight with his bespectacled girlfriend. Though the suggestion seems completely impromptu, it’s pretty obvious Amy has been waiting nearly two years for this very moment. How else can you explain the vacuum-sealed package of slumber necessities she pulls out of nowhere? Thankfully for Amy, Sheldon sees preparedness as a turn-on.