The original unaired pilot episode was quite different in tone, with a more adult feel to the show.
Although he still struggles with the concept of sarcasm, Sheldon is more wise to the ways of women than we are used to, and there was no Penny, instead Leonard and Sheldon met the hard-drinking, streetwise Katie (played by Amanda Walsh).
They discovered her crying on the pavement outside the high IQ sperm bank, after being dumped by her boyfriend and becoming homeless.
Leonard invites her to stay with them; much to Sheldon's exasperation. The pilot also featured a different theme tune - She Blinded Me With Science by Thomas Dolby.
YOU ARE READING
Things You Didn't Know About The Big Bang Theory
FanfictionHere are some mind-blowing facts that you probably didn't know about The Big Bang Theory.
