Conversation so far:
who is the highest paid actor in a tv series
Jim Parsons is the highest paid actor in a TV series, making 26.5 million for Big Bang Theory.
how many people watched the final episode of big bang theory
An average of 18 million people watched the 279th and final episode of history-making hit CBS comedy The Big Bang Theory

Question: how long did the series last
Self-contained rewrite: how long did the series big bang theory last