<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> <P> Just like the previous three seasons, the first five episodes aired on Mondays due to CBS' contractual rights to air the Thursday Night Football games . After Thursday Night Football ended, the series returned to its regular Thursday schedule starting on November 2, 2017 . Filming for the eleventh season began on August 15, 2017; it was also announced with the taping report that the premiere for the eleventh season would be titled "The Proposal Proposal". Before the season premiered, five episodes were filmed from August 15 to September 19, 2017 . </P>

What is the last season of the big bang theory
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