'The Big Bang Theory' Makes Television History The CBS program has now produced the br most episodes for a multi-camera sitcom. With its recent br 276th episode, it breaks a record set by 'Cheers.' The accomplishment was celebrated br by the show's main cast. Kaley Cuoco, via Instagram 'Big Bang Theory's' record-breaking episode br will premiere sometime in May. The 276th episode will air right before the br series finale, which is set for May 16th.