The Unaired Pilot With some similarities, but also many differences, in this website you can see the first pilot, unaired. Instead of Rajesh, Howard and Penny there are two different characters: Katie and Gilda, who at the end confesses a disturbing truth about Sheldon. After a first rejection, the second pilot was finally approved. http://www.watch-tvseries.net/series69/The-Big-Bang-Theory/season-01-episode-00-Unaired-Pilot

The Intro - Frame by Frame After 7 seasons, for all the followers there's something hypnotic about the intro. It's the way that the song works together with the images. We all know they show the evolution, but have you ever wondered what the images really show? Here you'll see all of them, frame by frame, and with their right explanation. http://haraldkraft.de/thebigbangtheory/

The Beginning of Jim Parsons Not many people know that Jim Parsons is 40 years old. Neither that The Big Bang Theory is not his first appearance on television. In this video you can watch a scene from the TV show "Ed", with other actors you'll know for sure. http://www.youtube.com/watch?v=cxqFDK_kGXM

Hard Quizzes: Being the nerd of the nerds How many times have you seen all the episodes? How much do you know about the characters, the dialogues, the stories? Prove yourself you're a huge fan by answering all of this very hard quizzes. http://www.sheldonsfans.com/quizzes.html

Johnny Galecki - Making comedy from the very beginning Johnny Galecki has a long resume related to comedy and TV shows. His first appearance was at his 10 years, and at his 14 he had the pleasure of acting together with Chevy Chase. Watch here a fragment of that movie. http://www.youtube.com/watch?v=sFjmMb24ryA

Fun Facts Did you know that Johnny Galecki really had to learn to play cello in order to play his character? Read this and some other fun facts about the best sitcom of the last years. http://www.buzzfeed.com/lizlanteri/10-fun-facts-about-the-big-bang-theory-63hh

The Big Bang Theory according to real scientists We have all heard that scientists don't like the series because it makes fun of them or because the characters don't represent real scientists. But many of the real ones do love the TV show, and in this article you can read the testimony of two of them. http://siouxcityjournal.com/special-section/siouxland_life/bazinga-big-bang-theory-a-hit-with-usd-scientists/article_16976331-308f-5003-81db-5111d62aa149.html

Are you smarter than Sheldon? Despite his arrogance, you must admit that Sheldon is incredibly smart. Now, are you also familiar with science knowledge? Do you think you can overcome Sheldon about it? Try this game and become the new nerd winner. http://www.tbs.com/shows/bigbangtheory/games/sheldons-scientific-showdown/

Why is it so succesful? In this article you can see some of the reasons, according to the author, that made The Big Bang Theory such a succesful TV show. Even if you don't agree with some of his reasons (actually I don't), it's a good start for you to start thinking what is the secret of this misfits. http://www.news.com.au/entertainment/television/why-is-the-big-bang-theory-so-popular/story-e6frfmyi-1226649206635

Howard Wolowitz - A nerd sex symbol Maybe the most hilarious character of the TV show, Howard Wolowitz is a new kind of anti-sex symbol. With his vintage dressing style, his traditional jewish mother and his "poor" M.A degree, he's absolutely sure he's a post-modern irresistible man. In this case you'll see Simon Helberg's skills to make imitations. A must-watch. http://www.youtube.com/watch?v=B8iyJSh-W3U