With Season 12, The Big Bang Theory becomes the longest-running multi-camera comedy in TV history.
The series finale is still more than a month away, and the show has something to celebrate in the meantime: a big milestone.
The end of The Big Bang Theory is coming in the not-too-distant future, and unless CBS gets moving on some of those potential spinoffs, the present-day characters fans have come to know and love will be gone from the small screen.