https://www.yahoo.com/movies/m/ebe77a15-ab23-331e-b83c-94c35b5222ce/how-the-big-bang-theory-will.html

It took several seasons of build up and at least one break up, but Sheldon and Amy finally had sex last season on The Big Bang Theory. The event was a special "gift" for Amy's birthday, which just so happened to coincide with the release of Star Wars: The Force Awakens. This year the long-running CBS comedy plans to once again have Amy's Birthday Bash, but this time it'll have something to do with arguably the second most popular franchise ever: Harry Potter. In Entertainment Weekly's Spoiler Room, a curious fan wanted to know how Sheldon and Amy's annual, uh, party would go down. After her last birthday, the two decided to make sex an annual occasion and they will stick to that promise this