Couch Criticss on Instagram: "Did you know 👇👇 [ 🎬 SHOW PROFILE: THE BIG BANG THEORY 🎬 ] ​IMDb Rating: 8.1/10 | Rotten Tomatoes: 81% ​Cast: Jim Parsons, Johnny Galecki, Kaley Cuoco, Simon Helberg, Kunal Nayyar. ​THE STORY: THE "ONE-FLOOR" STAIRCASE TRICK ​Ever wonder why the elevator in the apartment building was broken for 12 years? It was actually a clever production trick. The set didn't have four floors; it only had one single flight of stairs. Every time you see Sheldon and Leonard walki