9. The scene where Bernadette sleeps in a crib with baby Haley is based off a real moment Maria Ferarri experienced.
10. Apparently, Kaley Cuoco is the big crier on set. She’ll tear up from laughing, but also cries during emotional scenes, such as the most recent finale when Sheldon proposed to Amy.
11. Kunal Nayyar is jealous of Kaley’s wardrobe, saying that he wishes he could just wear tank tops and shorts, instead of heavy sweaters with long-sleeves.
12. Adam West guest starred for the show’s 200th episode and had to say, “Don’t ring my doorbell or my poodles will go crazy!” during one scene. After rehearsing the line, Adam asked executive producer Steve Molaro, “Do you think I could have a tougher dog, like a Rottweiler?” But West had poodles in real life.