<P> The Big Bang Theory is an American television sitcom created by Chuck Lorre and Bill Prady , both of whom serve as executive producers on the series , along with Steven Molaro . All three also serve as head writers . The show premiered on CBS on September 24 , 2007 . In March 2017 , the series was renewed for two additional seasons , bringing its total to twelve , and running through the 2018 -- 19 television season . The eleventh season premiered on September 25 , 2017 . The twelfth season is set to premiere on September 24 , 2018 . </P>
<P> The Big Bang Theory is an American television sitcom created by Chuck Lorre and Bill Prady , both of whom serve as executive producers on the series , along with Steven Molaro . All three also serve as head writers . The show premiered on CBS on September 24 , 2007 . In March 2017 , the series was renewed for two additional seasons , bringing its total to twelve , and running through the 2018 -- 19 television season . The eleventh season premiered on September 25 , 2017 . The twelfth season is set to premiere on September 24 , 2018 . </P>
how many seasons of big bang are there
how many seasons of big bang are there
twelve
twelve