In its 12-season run, The Big Bang Theory has a total of 279 episodes aired on television.

While Young Sheldon fans may know her as one of the main characters, Missy first appears in The Big Bang Theory in “The Porkchop Indeterminacy,” season 1, episode 15. While she played a side ...

“The Big Bang Theory” was created and written by Chuck Lorre and Bill Prady. Executive producers include Lorre, Prady, David ...