The Big Bang Theory S9E18
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S09E18 — The Application Deterioration
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The Big Bang Theory

S09E18 The Application Deterioration

2016-03-10

Leonard, Sheldon, and Wolowitz encounter difficulties as they attempt to secure a patent for their infinite persistence gyroscope. Meanwhile, Penny, Amy, and Bernadette step in to offer dating tips to Koothrappali after he receives a message from Emily following their breakup.

Season 9 Episodes

1
The Matrimonial Momentum
2015-09-21
 2
The Separation Oscillation
2015-09-28
 3
The Bachelor Party Corrosion
2015-10-05
 4
The 2003 Approximation
2015-10-12
 5
The Perspiration Implementation
2015-10-19
 6
The Helium Insufficiency
2015-10-26
 7
The Spock Resonance
2015-11-05
 8
The Mystery Date Observation
2015-11-12
 9
The Platonic Permutation
2015-11-19
 10
The Earworm Reverberation
2015-12-10
 11
The Opening Night Excitation
2015-12-17
 12
The Sales Call Sublimation
2016-01-07
 13
The Empathy Optimization
2016-01-14
 14
The Meemaw Materialization
2016-02-04
 15
The Valentino Submergence
2016-02-11
 16
The Positive Negative Reaction
2016-02-18
 17
The Celebration Experimentation
2016-02-25
 18
The Application Deterioration
2016-03-10
 19
The Solder Excursion Diversion
2016-03-31
 20
The Big Bear Precipitation
2016-04-07
 21
The Viewing Party Combustion
2016-04-21
 22
The Fermentation Bifurcation
2016-04-28
 23
The Line Substitution Solution
2016-05-05
 24
The Convergence Convergence
2016-05-12