The cast of “The Big Bang Theory” recently celebrated their 200th episode at Vibiana in Los Angeles. After a stellar 9 years on primetime TV, the stars have had some crazy fan experiences. Kunal Nayyar shared, "I once had a gentleman take a picture of me in the urinal. And this guy was like... 'Love your show, Big Bang,' and took a picture and walked away. And I was like… 'Wait,' but I couldn't go after him.” Creator Chuck Lorre revealed that there will be a baby on the show. Watch! The 200th episode of “The Big Bang Theory” airs tonight on CBS.