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The Big Bang Theory: The Bath Item Gift Hypothesis

A handsome colleague of Leonard's asks Penny out on a date. Meanwhile, Sheldon struggles to come up with an appropriate Christmas gift for Penny.

Episode Info  

Episode number: 2x11
Production Number: 3T7361
Airdate: Monday December 15th, 2008

Alternate Airdates:

UK (E4) Mar 26, 2009

Special Guest Stars
Michael TruccoMichael Trucco
As Dr. David Underhill

Guest Stars
Michael HyattMichael Hyatt
As Charlotte
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
Episode Notes
Ratings: 11.42 million

This is the first episode in which Penny is seen at Cal Tech.

Episode Quotes
Sheldon: All I need is a healthy ovum and I can grow my own Leonard Nimoy.

Episode Goofs
Raj sits in Sheldon's spot on the couch and Sheldon doesn't seem to notice or care.

Nitpick: Kind of strange that none of the guys knew that David Underhill, their academic colleague, was married.

Other Episode Crew

CreatorChuck Lorre  |  Bill Prady
Executive ProducerChuck Lorre  |  Bill Prady  |  Lee Aronsohn
Co-Executive ProducerDavid Goetsch  |  Eric Kaplan
Supervising ProducerSteven Molaro
ProducerFaye Oshima Belyeu  |  Peter Chakos
Co-ProducerMary T. Quigley
Consulting ProducerStephen Engel  |  Tim Doyle  |  Richard Rosenstock
Associate ProducerKristy Cecil
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
HairstylistFaye Woods
Set DecoratorAnn Shea (2)
Property MasterScott L. London
Production Sound MixerBruce Peters
Production CoordinatorBrian George (2)
Re-Recording MixerCharlie McDaniel, III  |  Bob La Masney
Director of PhotographySteven V. Silver
Post Production CoordinatorRyan Berdan
Coordinating ProducerMona Garcea
Executive ConsultantMark Roberts (2)  |  Eddie Gorodetsky  |  Don Foster
Associate DirectorHoward Murray
Makeup ArtistPeggy 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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