Episode Guide

The Big Bang Theory has now finished its twelve-season run on CBS. The hour-long series finale aired Thursday, May 16, 2019.

On August 22, 2018, CBS and Warner Bros. announced that The Big Bang Theory would be ending with its twelfth season. The twelfth season premiered with a special broadcast on Monday, September 24, 2018 and moved back to its regular Thursday night time period on September 27.

Top Rated Episodes

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

Episode Lists

  • Howard & Bernadette: Key Episodes Howard & Bernadette: Key Episodes

    The key moments from Howard and Bernadette's relationship including their first date, Howard's proposal, their wedding, and the births of their two children.

  • Leonard & Penny: Key Episodes Leonard & Penny: Key Episodes

    The key moments in Leonard and Penny's relationship including the first time they saw each other across the hall, their first kiss, their first date, breaking up and getting back together, the first time Penny says "I love you", a couple of proposals, their engagement, two wedding ceremonies, and finally Penny getting pregnant.

  • Sheldon & Amy: Key Episodes Sheldon & Amy: Key Episodes

    The key moments in Sheldon & Amy's relationship including Howard & Raj setting them up, the signing of the relationship agreement, the first time they said "I love you", them breaking up and subsequently getting back together, the proposal, the wedding and winning the Nobel Prize together.

  • Christmas Episodes Christmas Episodes

    Celebrate Christmas with Sheldon, Leonard, Penny, Howard, Raj, Amy and Bernadette in these classic Christmas episodes of The Big Bang Theory.