Claim: In 2014, Carrie Fisher made an appearance as herself in the episode "The Convention Conundrum," the fourteenth episode of season seven of The Big Bang Theory.
Evidence: 2014 The Big Bang Theory Herself Episode: "The Convention Conundrum" "The Convention Conundrum" is the 14th episode of the seventh season of the U.S. sitcom The Big Bang Theory and the 149th episode of the show overall.