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.
No Episode Scheduled
The Big Bang Theory has now concluded its twelve-season run on CBS.
With 279 episodes produced, The Big Bang Theory is the longest-running multi-camera sitcom ever.
The Change Constant
Aired Thursday, May 16 at 8:00 on CBS
Sheldon and Amy await big news, on the series finale of The Big Bang Theory.
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|
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
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
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.
Celebrate Christmas with Sheldon, Leonard, Penny, Howard, Raj, Amy and Bernadette in these classic Christmas episodes of The Big Bang Theory.