I watched an episode with a friend and the storyline was something about theorists versus experimentalists. I remember thinking that I was not sure that my friend (not a geek or nerd) could really understand how true this was. So I think part of the reason why geeks/nerds like the show is that they see jokes that only they can really appreciate. I eventually stopped watching because I got tired of how they portray women and how they show university life (as a graduate student it seemed like every professor taught classes and did research with graduate students/undergrads, but you do not see any of that on the show). Also, I am not really into comics/Star Wars/Star Trek so all of that got kind of boring.