1) What was the name of the episode that introduced Bernadette?
2) What was the name of Howard and Bernadette's first child?
3) In what year did the series finale air?
4) What was the name of Sheldon and Amy's first live show together?
5) What real-life physicist made a cameo appearance in one episode?
6) Who wrote the theme song for the show?
7) In what season did Sheldon and Amy get engaged?
8) What is Sheldon's middle name?
9) What is the name of the first episode of Big Bang Theory?
10) Who is the only character to appear in every single episode?