The Big Bang Theory

The Big Bang Theory (2007 – 2019)

2007 • 12 seasons • Comedy • TV-PG

On August 8, 2026

#2063 ▼ 1963

2063rd most popular TV show online

36 Popularity Score

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Episode 4 — The Cohabitation Experimentation

Season 10 • The Big Bang Theory

Released: 2016-10-10 • Comedy

75%

User score

When Amy’s apartment floods, she proposes a “cohabitation experiment” with Sheldon. Also, Howard and Bernadette are upset when Koothrappali learns the gender of the baby before they do.

Episodes

Episode 1
The Conjugal Conjecture
2016-09-19

Episode 2
The Military Miniaturization
2016-09-26

Episode 3
The Dependence Transcendence
2016-10-03

Episode 4
The Cohabitation Experimentation
2016-10-10

Episode 5
The Hot Tub Contamination
2016-10-17

Episode 6
The Fetal Kick Catalyst
2016-10-27

Episode 7
The Veracity Elasticity
2016-11-03

Episode 8
The Brain Bowl Incubation
2016-11-10

Episode 9
The Geology Elevation
2016-11-17

Episode 10
The Property Division Collision
2016-12-01

Episode 11
The Birthday Synchronicity
2016-12-15

Episode 12
The Holiday Summation
2017-01-05

Episode 13
The Romance Recalibration
2017-01-19

Episode 14
The Emotion Detection Automation
2017-02-02

Episode 15
The Locomotion Reverberation
2017-02-09

Episode 16
The Allowance Evaporation
2017-02-16

Episode 17
The Comic-Con Conundrum
2017-02-23

Episode 18
The Escape Hatch Identification
2017-03-09

Episode 19
The Collaboration Fluctuation
2017-03-30

Episode 20
The Recollection Dissipation
2017-04-06

Episode 21
The Separation Agitation
2017-04-13

Episode 22
The Cognition Regeneration
2017-04-27

Episode 23
The Gyroscopic Collapse
2017-05-04

Episode 24
The Long Distance Dissonance
2017-05-11

Information

Creator	Chuck Lorre, Bill Prady
Episode air date	10.10.2016
Episode runtime	20 min
Episode rating	7.49
Genres	Comedy
TMDB series rating	7.9
IMDb series rating	8.1
Series status	Ended
Age rating	6+
Country	US

Trailer

Additional videos

The Big Bang Theory Trailer

The Big Bang Theory Trailer

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The Big Bang Theory - Science is dead

The Big Bang Theory - Science is dead

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The Big Bang-Sheldon's "Romantic" Christmas Gift

The Big Bang-Sheldon's "Romantic" Christmas Gift

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Merry Newtonmas!

Merry Newtonmas!

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The Big Bang Theory Intro Full Version

The Big Bang Theory Intro Full Version

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The Big Bang Theory - Sheldon and Penny Exchange Presents

The Big Bang Theory - Sheldon and Penny Exchange Presents

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Cast

Johnny Galecki
Leonard Hofstadter

Jim Parsons
Sheldon Cooper

Kaley Cuoco
Penny

Simon Helberg
Howard Wolowitz

Kunal Nayyar
Rajesh Koothrappali

Melissa Rauch
Bernadette Rostenkowski

Mayim Bialik
Amy Farrah Fowler

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