Episode Guide

The Big Bang Theory is now in its twelfth and final season on CBS. The season premiered with a special broadcast on Monday, September 24, 2018. The show moved back to its regular Thursday night time period on September 27.

On August 22, 2018, CBS and Warner Bros. announced that The Big Bang Theory would be ending with its twelfth season.

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The Big Bang Theory's final season continues Thursday, March 7 at 8/7c on CBS.

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The Donation Oscillation
Aired Thursday, February 7 at 8:00 on CBS

Penny tries to seduce an abstaining Leonard to ruin his “donation” for her ex-boyfriend, Zack (Brian Thomas Smith), and his wife, Marissa (Lindsey Kraft). Also, Wolowitz, Bernadette, Anu (Rati Gupta) and Koothrappali turn Koothrappali’s canceled bachelor party into a couple’s trip aboard the “vomit comet”.

Most Watched Episodes (U.S.)

Episode Air Date Viewers (U.S.)
702 The Deception Verification September 26, 2013 20.44 million
713 The Occupation Recalibration January 9, 2014 20.35 million
613 The Bakersfield Expedition January 10, 2013 20 million
612 The Egg Salad Equivalency January 3, 2013 19.25 million
712 The Hesitation Ramification January 2, 2014 19.2 million

Highest Rated Episodes (U.S.)

Episode Air Date Adults 18-49 Rating
916 The Positive Negative Reaction February 18, 2016 10.2
924 The Convergence Convergence May 12, 2016 9.8
613 The Bakersfield Expedition January 10, 2013 6.4
615 The Spoiler Alert Segmentation February 7, 2013 6.2
612 The Egg Salad Equivalency January 3, 2013 6.1