First airing in 2007, The Big Bang Theory became one of the highest rated comedy sitcoms and this was all down to its amazing cast. Penny, Sheldon, Howard, Amy, Leonard and Bernadette. Each character had their own unique personality which when all put together made for a great viewing experience that kept fans coming back for more.
The show ran for an incredible 12 seasons and it's fair to say that a lot happened. We saw Leonard finally get the girl of his dreams, Sheldon and Amy win a Nobel Prize, Howard and Bernadette begin their journey as two incredible parents and Raj, well whilst he may not have got the fairytale ending he wanted with Anu, we all like to think that he eventually went on to get it.
It's going to take everything you have to be able to get 20/20 on this Big Bang Theory quiz. Just how much do you remember about one of the most talked about and loved sitcoms?