A is for...Awards. The Big Bang Theory has been showered with awards for being the smartest and funniest TV sitcom around. B is for...Barenaked Ladies. Read all about the band that performed the show's famous theme song, 'The History of Everything'. C is for...Caltech. Find out more about the world-famous university where our favourite four Big Bang characters work.This is the must-have guide for all fans of The Big Bang Theory.