<P> The eleventh season of the American television sitcom The Big Bang Theory premiered on CBS on Monday , September 25 , 2017 . It returned to its regular Thursday time slot on November 2 , 2017 , after Thursday Night Football on CBS ended . </P>
<P> The eleventh season of the American television sitcom The Big Bang Theory premiered on CBS on Monday , September 25 , 2017 . It returned to its regular Thursday time slot on November 2 , 2017 , after Thursday Night Football on CBS ended . </P>
when does the big bang theory season 11 start
when does the big bang theory season 11 start
September 25 , 2017
September 25 , 2017