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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Overview Watch Cast Seasons (12) Episodes Ranked Similar Videos Images

photo from the episode

Episode 6 — The Imitation Perturbation

Season 12 • The Big Bang Theory

Released: 2018-10-25 • Comedy

74%

User score

When Howard dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Leonard is shocked that Penny doesn't remember their first kiss.

Episodes

Episode 1
The Conjugal Configuration
2018-09-24

Episode 2
The Wedding Gift Wormhole
2018-09-27

Episode 3
The Procreation Calculation
2018-10-04

Episode 4
The Tam Turbulence
2018-10-11

Episode 5
The Planetarium Collision
2018-10-18

Episode 6
The Imitation Perturbation
2018-10-25

Episode 7
The Grant Allocation Derivation
2018-11-01

Episode 8
The Consummation Deviation
2018-11-08

Episode 9
The Citation Negation
2018-11-15

Episode 10
The VCR Illumination
2018-12-06

Episode 11
The Paintball Scattering
2019-01-03

Episode 12
The Propagation Proposition
2019-01-10

Episode 13
The Confirmation Polarization
2019-01-17

Episode 14
The Meteorite Manifestation
2019-01-31

Episode 15
The Donation Oscillation
2019-02-07

Episode 16
The D & D Vortex
2019-02-21

Episode 17
The Conference Valuation
2019-03-07

Episode 18
The Laureate Accumulation
2019-04-04

Episode 19
The Inspiration Deprivation
2019-04-18

Episode 20
The Decision Reverberation
2019-04-25

Episode 21
The Plagiarism Schism
2019-05-02

Episode 22
The Maternal Conclusion
2019-05-09

Episode 23
The Change Constant / The Stockholm Syndrome
2019-05-16

Episode 24
Unraveling the Mystery: A Big Bang Farewell
2019-05-16

Information

Creator	Chuck Lorre, Bill Prady
Episode air date	25.10.2018
Episode runtime	20 min
Episode rating	7.35
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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