<-- Previous EpisodeNext Episode -->

The Big Bang Theory: The Lunar Excitation

Penny realizes that after dating Leonard, she can no longer put up with the guys of limited intelligence that guys she normally dates. Howard and Raj try to find Sheldon a date on the Internet.

Episode Info  

Episode number: 3x23
Production Number: 3X5573
Airdate: Monday May 24th, 2010

Alternate Airdates:

BR (Warner) Jun 01, 2010
UK (E4) Jul 29, 2010
NL (Veronica) Feb 14, 2011

Special Guest Stars
Sara GilbertSara Gilbert
As Leslie Winkle

Guest Stars
Mayim BialikMayim Bialik
As Amy Farrah Fowler
Brian Smith (6)Brian Smith (6)
As Zack
Lauri JohnsonLauri Johnson
As Mrs. Gunderson
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
This episode introduces Mayim Bialik as Amy Farrah Fowler, Sheldon's love interest. Bialik would become a show regular the following season. It also marks the final appearance (so far) of Sara Gilbert as Leslie Winkle and the first appearance of Brian Thomas Smith as Penny's dim bulb of a new boyfriend, Zack.

For one of the few times in the series, Leonard gets drunk.

Raj reveals that The Good Wife is his current favorite TV program.

The title refers to the lunar experiment that the guys conduct in the episode.

Episode Quotes
Sheldon: (about Zack) He must be very skilled at coitus.

Episode Goofs
Howard mentions that he's found a new dating site and has had eight dates in the past month. What's happened between him and Bernadette? Have they broken up? Nothing is mentioned in the dialogue about her or the status of the relationship.

Other Episode Crew

CreatorChuck Lorre  |  Bill Prady
Executive ProducerChuck Lorre  |  Bill Prady  |  Lee Aronsohn
Co-Executive ProducerDavid Goetsch  |  Eric Kaplan  |  Steven Molaro
ProducerFaye Oshima Belyeu  |  Peter Chakos  |  Jim Reynolds
Co-ProducerMary T. Quigley  |  Steve Holland  |  Kelly Lee  |  Kristy Cecil
Consulting ProducerRichard Rosenstock
Production DesignerJohn Shaffner
EditorPeter Chakos
CastingKen Miller (2)  |  Nikki Valko
Unit Production ManagerKelly Lee
First Assistant DirectorAnthony Rich
Second Assistant DirectorChris Klausen
Costume DesignerMary T. Quigley
HairstylistFaye Woods
Key GripDavid Pearce
Set DecoratorAnn Shea (2)
Property MasterScott L. London
Production Sound MixerBruce Peters
Re-Recording MixerBob La Masney  |  Charlie McDaniel, III
GafferJohn Greene
Director of PhotographySteven V. Silver
Coordinating ProducerMona Garcea
Executive ConsultantMark Roberts (2)  |  Eddie Gorodetsky  |  Don Foster
Associate DirectorHoward Murray
Executive Story EditorMaria Ferrari
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
Missing Information
Click here to add Music
Click here to add Cultural References
Click here to add Episode References
Click here to add Analysis