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The Big Bang Theory

Season 11 2017

  • 2017-09-26T00:00:00Z on CBS
  • 25 mins
  • 2 hours, 38 mins
  • United States
  • English
  • Comedy

What happens when hyperintelligent roommates Sheldon and Leonard meet Penny, a free-spirited beauty moving in next door, and realize they know next to nothing about life outside of the lab. Rounding out the crew are the smarmy Wolowitz, who thinks he's as sexy as he is brainy, and Koothrappali, who suffers from an inability to speak in the presence of a woman.

11 episodes

11x01 The Proposal Proposal

  • Season Premiere

    2017-09-26T00:00:00Z — 20 mins

In the eleventh season opener, Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news.

11x02 The Retraction Reaction

  • 2017-10-03T00:00:00Z — 21 mins

Leonard angers the university – and the entire physics community – after he gives an embarrassing interview. Also, Amy and Bernadette bond over having to hide their success from Sheldon and Howard.

As Sheldon stresses about picking a wedding date, Amy tries to convince him he has a more laid-back side. Also, Koothrappali and Stuart compete to win the heart of Bernadette's new co-worker, Ruchi.

11x04 The Explosion Implosion

  • 2017-10-17T00:00:00Z — 20 mins

Wolowitz and Sheldon bond when they drive to the desert to shoot off a model rocket. Also, when Leonard's mom finds a new best friend in Penny, it rubs Leonard the wrong way.

Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together. Also, Penny and Leonard learn new tactics for how to deal with Sheldon from an unlikely source.

11x06 The Proton Regeneration

  • 2017-11-03T00:00:00Z — 21 mins

Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Also, Penny steps in to take care of Halley when Bernadette and Wolowitz both wind up on bed rest.

11x07 The Geology Methodology

  • 2017-11-10T01:00:00Z — 19 mins

Sheldon and Bert collaborate on a research project, despite Sheldon’s embarrassment. Also, Penny and Bernadette coach Koothrappali on how to navigate his relationship with Ruchi.

11x08 The Tesla Recoil

  • 2017-11-17T01:00:00Z — 18 mins

Leonard and Howard are furious after they learn Sheldon went to work with the military behind their backs. While Bernadette is on bed rest, she asks Raj to do some digging when she suspects Ruchi is trying to steal her job.

11x09 The Bitcoin Entanglement

  • 2017-12-01T01:00:00Z — 25 mins

Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a seven-year-old video reveals a secret about Leonard and Penny’s relationship.

11x10 The Confidence Erosion

  • 2017-12-08T01:00:00Z — 25 mins

Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Koothrappali “breaks up” with Wolowitz after realizing his best friend is actually hurting his confidence.

11x11 The Celebration Reverberation

  • 2017-12-15T01:00:00Z — 25 mins

Sheldon and Howard plan birthday parties.