Episode Guide

The Big Bang Theory is in its eighth season, which will air between September 2014 and May 2015. The eighth season began with two back-to-back episodes on September 22, 2014. The show has so far produced 181 episodes since its premiere in the 2007/08 season. The show was renewed by CBS in March 2014 for another three years, taking it through to its tenth season in 2016/17.

Upcoming Episode Schedule

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The Big Bang Theory's eighth season continues next Thursday, April 30 with "The Maternal Combustion" featuring guest stars Laurie Metcalf and Christine Baranski.

Previous Episode

'The Graduation Transmission' - Season 8, Episode 22
Aired Thursday, April 23 at 20:00 on CBS.

Leonard is set to give the commencement address at his former high school, but a canceled flight threatens to prevent him from giving the speech. Meanwhile, Howard's engineering skills are tested as he and Sheldon attempt to fix Raj's toy helicopter, while Raj plays his parents against each other after his father cuts him off financially.

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
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
702 The Deception Verification September 26, 2013 6.1
315 The Large Hadron Collision February 8, 2010 6