This is the end. Despite recent remarks by CBS that the network was exploring another season of The Big Bang Theory , the network and producing studio Warner Bros. TV just announced that the top-rated comedy series will end its run in May 2019. It still will rank as the longest-running multi-camera series in television history, 12 seasons and a record-breaking 279 episodes.In a joint statement, Warner Bros. Television , CBS and Chuck Lorre Productions said, “We are forever grateful to our fans for their support of The Big Bang Theory during the past twelve seasons. We, along with the cast, writers and crew, are extremely appreciative of the show’s success and aim to deliver a final season, and series finale, that will bring The Big Bang Theory to an epic creative close.”The final season of The Big Bang Theory will debut Monday, September 24 (8/7c) on CBS before moving to its regular time period on Thursday,