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 171 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

Next Episode

'The Space Probe Disintegration' - Season 8, Episode 12
Airs Thursday, January 8 at 20:00 on CBS.

Wolowitz tries to distract Raj, who is anxiously awaiting data from a space probe he helped launch. Meanwhile, Sheldon and Leonard go dress shopping with Penny and Amy.

Previous Episode

'The Clean Room Infiltration' - Season 8, Episode 11
Aired Thursday, December 11 at 20:00 on CBS.

Leonard and Wolowitz nearly come to blows and turn to Raj for help in dealing with a work emergency. Meanwhile, Amy throws an authentic Victorian Christmas party, and Sheldon seeks revenge on her for making him celebrate the holidays.

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