crazyworld on Instagram: "This video features a scene from The Big Bang Theory where Amy Farrah Fowler is on a blind date with Dave, a man who turns out to be an obsessive fan of her ex-boyfriend, Sheldon Cooper. As Amy describes Sheldon’s work in theoretical physics, Dave becomes increasingly starstruck, calling Sheldon a "rock star." The situation escalates when they run into Leonard and Penny outside. Dave reacts with hilarious, over-the-top excitement upon meeting Leonard, another famous phy