Series 11 Episode 8

Leonard and Howard are furious when they learn that Sheldon went to work with the military behind their backs. Bernadette suspects that Ruchi is trying to steal her job and asks Raj to investigate.

The Proposal Proposal: Amy gives Sheldon an answer to his proposal. Howard and Bernadette get unexpected news.

First shown: Thu 12 Oct 2017 | 20 mins

Series 11 Episode 1

The Retraction Reaction: Leonard angers the university with an embarrassing interview. Amy and Bernadette bond.

First shown: Thu 19 Oct 2017 | 20 mins

Series 11 Episode 2

The Relaxation Integration: As Sheldon stresses about picking a wedding date, Amy urges him to find his laid-back side

First shown: Thu 26 Oct 2017 | 19 mins

Series 11 Episode 3

The Explosion Implosion: Howard and Sheldon bond when they drive into the desert to shoot off a model rocket

First shown: Thu 2 Nov 2017 | 20 mins

Series 11 Episode 4

The Collaboration Contamination: Penny and Leonard learn new ways to manage Sheldon's behaviour from an unlikely source

First shown: Thu 9 Nov 2017 | 18 mins

Series 11 Episode 5

The Proton Regeneration: Sheldon and Wil Wheaton compete to play Professor Proton when his TV series gets a reboot

First shown: Thu 16 Nov 2017 | 20 mins

Series 11 Episode 6

The Geology Methodology: Sheldon and Bert collaborate on some research, although Sheldon feels embarrassed about it

First shown: Thu 23 Nov 2017 | 19 mins

Series 11 Episode 7

The Tesla Recoil: Leonard and Howard learn that Sheldon went to work with the military behind their backs

First shown: Thu 30 Nov 2017 | 18 mins

Series 11 Episode 8

The Bitcoin Entanglement: Sheldon seeks revenge when the guys cut him out of a potentially valuable investment

First shown: Thu 7 Dec 2017 | 18 mins

Series 11 Episode 9

The Confidence Erosion: Sheldon and Amy try to eliminate stress from their wedding plans by applying mathematics

First shown: Thu 14 Dec 2017 | 21 mins

Series 11 Episode 10

The Celebration Reverberation: Sheldon and Howard plan special birthday celebrations for Amy and Halley, respectively

First shown: Thu 21 Dec 2017 | 19 mins

Series 11 Episode 11

The Matrimonial Metric: Sheldon and Amy test their friends to see who should be their best man and maid of honour

First shown: Thu 22 Feb 2018 | 20 mins

Series 11 Episode 12

The Solo Oscillation: Sheldon needs some 'alone time' to work, so Amy and Leonard bond over science experiments

First shown: Thu 1 Mar 2018 | 20 mins

Series 11 Episode 13

The Separation Triangulation: Raj gets into a domestic drama with his new date Nell and her estranged husband Oliver

First shown: Thu 8 Mar 2018 | 19 mins

Series 11 Episode 14

The Novelization Correlation: Penny gets angry when she thinks the female protagonist in Leonard's novel is based on her

First shown: Thu 15 Mar 2018 | 20 mins

Series 11 Episode 15

The Neonatal Nomenclature: When Bernadette can't go into labour, her friends employ different tactics to help

First shown: Thu 22 Mar 2018 | 18 mins

Series 11 Episode 16

The Athenaeum Allocation: Leonard jumps through hoops to secure the perfect wedding venue for Sheldon and Amy

First shown: Thu 29 Mar 2018 | 20 mins

Series 11 Episode 17

The Gates Excitation: The guys do their best to meet Bill Gates when his firm has dealings with Penny's company

First shown: Thu 5 Apr 2018 | 19 mins

Series 11 Episode 18

The Tenant Disassociation: Leonard competes with Sheldon in the race to be president of the tenants' association

First shown: Thu 12 Apr 2018 | 20 mins

Series 11 Episode 19

The Reclusive Potential: A brilliant scientist invites Sheldon to his isolated cabin. Amy doesn't like her hen do.

First shown: Thu 19 Apr 2018 | 20 mins

Series 11 Episode 20

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