The Big Bang Theory Season 11 Episodes

Find out where to watch Season 11 of The Big Bang Theory tonight
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Season 11 Episode Guide

Episode 1 - The Proposal Proposal

Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news, on the season premiere.
Episode 2 - The Retraction Reaction

Leonard gives an embarrassing radio interview; Amy and Bernadette bond over having to hide their success from Sheldon and Howard.
Episode 3 - The Relaxation Integration

Sheldon stresses about picking a wedding date. Koothrappali and Stuart compete to win the heart of Bernadette’s new coworker, Ruchi.
Episode 4 - The Explosion Implosion

While Howard and Sheldon bond over their relationships with their disappointing fathers, Leonard’s mom finds a new best friend in Penny.
Episode 5 - The Collaboration Contamination

Sheldon and Raj confide in Bernadette when they can’t handle Amy and Howard working together; Penny figures out the secret to Sheldon.
Episode 6 - The Proton Regeneration

Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton; Penny steps in to take care of Halley.
Episode 7 - The Geology Methodology

Sheldon and Bert collaborate on a research project; Penny and Bernadette coach Raj on how to navigate his relationship with Ruchi.
Episode 8 - The Tesla Recoil

Leonard and Howard enlist Barry Kripke to help after they learn Sheldon betrayed them by working with the military behind their backs.
Episode 9 - The Bitcoin Entanglement

The gang flashes back to 2010 as Leonard tries to remember where he kept a potentially valuable investment.
Episode 10 - The Confidence Erosion

Sheldon and Amy develop a unique system for wedding planning; Raj breaks up with Howard after realizing he’s hurting his confidence.
Episode 11 - The Celebration Reverberation

Sheldon and Howard plan birthday parties for Amy and Halley; Leonard receives a Christmas letter from his brother that causes him to spiral.
Episode 12 - The Matrimonial Metric

To discover who would be most qualified to be best man and maid of honour, Sheldon and Amy conduct a series of secret experiments.
Episode 13 - The Solo Oscillation

Penny helps Sheldon figure out his next move in science; Amy and Leonard bond during a science experiment; Bert replaces Howard in his band.
Episode 14 - The Separation Triangulation

Raj learns he is dating a married woman. Sheldon rents his old room back for a quiet place to work, which drives Leonard crazy.
Episode 15 - The Novelization Correlation

Sheldon petitions Wil Wheaton to appear on his new show; Penny gets angry when she thinks a character in Leonard’s novel is based on her.
Episode 16 - The Neonatal Nomenclature

When Bernadette won’t go into labour, all her friends try different tactics to get things started.
Episode 17 - The Athenaeum Allocation

Leonard tries to secure the perfect wedding venue for Sheldon and Amy; Howard and Bernadette figure out who should stay home with the kids.
Episode 18 - The Gates Excitation

When Penny gets the opportunity to host Bill Gates at work, Leonard, Howard and Raj try to meet him, while Sheldon thinks it’s a prank.
Episode 19 - The Tenant Disassociation

Leonard runs against Sheldon for president of the tenants association; Howard and Raj try to find the owner of a drone they find.
Episode 20 - The Reclusive Potential

While Penny and Bernadette improvise a bachelorette party for Amy, Sheldon and the guys visit a reclusive scientist in his cabin.
Episode 21 - The Comet Polarization

Sheldon’s comic book store experiences changes when writer Neil Gaiman puts Stuart’s store on the map; Penny makes a scientific discovery.
Episode 22 - The Monetary Insufficiency

While Sheldon goes to Vegas to win millions of dollars for science, Penny and Bernadette take Amy shopping for wedding dresses.
Episode 23 - The Sibling Realignment

When Sheldon learns that his mother won’t attend his wedding unless he invites his brother, he and Leonard go to Texas to end a family feud.
Episode 24 - The Bow Tie Asymmetry

On the season finale, everybody’s focused on making sure all goes according to plan for Amy & Sheldon’s wedding, everyone except them.


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