'The Big Bang Theory' to end after 12th season in 2019
TV series 'The Big Bang Theory' will end after its 12th season in 2019. Jim Parsons, who portrays Sheldon Cooper, shared a picture with the cast from the first of the final 24 episodes that they will be shooting. "Our devoted viewers...are the ACTUAL reason we (got) to explore these characters for 12 years of our lives," wrote Parsons.