<Tr> <Td_colspan="2"> ← Previous Season 10 </Td> </Tr> <Tr> <Td_colspan="2"> List of The Big Bang Theory episodes </Td> </Tr> <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> In March 2017, CBS renewed the series for two additional seasons, bringing its total to twelve, and running through the 2018--19 television season . </P>

When does series 11 of big bang theory start