I don't like sitcoms; I hate them. However, I've watched this series repeatedly. This isn't your average sitcom. It's educational and they make learning fun. Every time I watch the show, I Google their guest star to learn something about them. I have noticed a few minor errors, but I guess no one is perfect. The characters have become like family. I was window-shopping in Italy and noticed a train set. I thought, "Sheldon would like that." What has become of me?