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The Big Bang Theory: The Decoupling Fluctuation

Penny confides to Amy and Bernadette that she is unsure about staying with Leonard, and when Sheldon inevitably learns about it, he takes matters into his own hands. Howard gets pranked as the new guy in space.

Episode Info  

Episode number: 6x2
Production Number: 3X7602
Airdate: Thursday October 04th, 2012

Alternate Airdates:

CA (CTV) Oct 04, 2012
AU (Nine Network) Oct 09, 2012
BR (Warner) Oct 23, 2012
NL (Veronica) Oct 25, 2012
UK (E4) Nov 22, 2012
NZ (2) Feb 20, 2013
TR (CNBC-e) Sep 02, 2013

Guest Stars
Kevin SussmanKevin Sussman
As Stuart
Michael J. MassiminoMichael J. Massimino
As Himself
Pavel LychnikoffPavel Lychnikoff
As Dimitri
Main Cast
Johnny GaleckiJohnny Galecki
As Leonard Leakey Hofstadter
Jim ParsonsJim Parsons
As Sheldon Lee Cooper
Kaley CuocoKaley Cuoco
As Penny
Simon HelbergSimon Helberg
As Howard Joel Wolowitz
Kunal NayyarKunal Nayyar
As Rajesh Ramayan Koothrappali
Mayim BialikMayim Bialik
As Amy Farrah Fowler
Melissa RauchMelissa Rauch
As Bernadette Marianne Rostenkowski
Episode Notes
Once again, Sheldon somehow manages to break into Penny's apartment.

The title refers to Penny's fluctuating feelings about breaking up with Leonard.

Episode Quotes
Sheldon: Penny, please don't hurt my friend.

Other Episode Crew

CreatorChuck Lorre  |  Bill Prady
Executive ProducerChuck Lorre  |  Bill Prady  |  Steven Molaro
Co-Executive ProducerDavid Goetsch  |  Eric Kaplan  |  Jim Reynolds  |  Faye Oshima Belyeu  |  Eddie Gorodetsky  |  Steve Holland
Supervising ProducerPeter Chakos  |  Maria Ferrari
Co-ProducerMary T. Quigley  |  Kristy Cecil  |  Kelly Lee
Associate ProducerRyan Berdan  |  Robinson Green
Production DesignerJohn Shaffner
EditorPeter Chakos
CastingNikki Valko  |  Ken Miller (2)
Unit Production ManagerKelly Lee
First Assistant DirectorAnthony Rich
Second Assistant DirectorChris Klausen
Costume DesignerMary T. Quigley
HairstylistSylvia Surdu  |  Faye Woods
Set DecoratorAnn Shea (2)
Property MasterScott L. London
Production Sound MixerBruce Peters
Script SupervisorJulie Fleischer
Production CoordinatorJustin Hetzel
Re-Recording MixerCharlie McDaniel, III  |  Bob La Masney
Director of PhotographySteven V. Silver
Story EditorAnthony Del Broccolo
Art DirectorFrancoise Cherry-Cohen
Coordinating ProducerSuzanne McCormack
Executive ConsultantDon Foster
Associate DirectorGay Linvill
Casting AssociateTara Treacy
Makeup ArtistVikki McCarter  |  Peggy Nichols
Theme Song Written And Performed ByBarenaked Ladies
Science ConsultantDavid Saltzberg Ph.D.
Post Production ServicesTechnicolor
Sound Services ByWarner Bros. Post Production Services
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