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 165 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 is moving back to Thursday. The next episode airs Thursday, October 30 at 8/7c on CBS.

Previous Episode

'The Expedition Approximation' - Season 8, Episode 6
Aired Monday, October 20 at 20:00 on CBS.

Sheldon and Raj consider applying for a dark matter research expedition in a salt mine, but first they test their ability to survive the rough conditions by emulating the conditions in the university's steam tunnel. Meanwhile, Leonard and Penny have an argument about money and seek help from Howard and Bernadette.

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