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The Big Bang Theory: The Killer Robot Instability

The guys build a killer robot and are challenged to a duel by a colleague at the university. Meanwhile, Penny lays down the law towards Howard regarding his behavior towards her which causes him to go into a deep depression.

Episode Info  

Episode number: 2x12
Production Number: 3T7362
Airdate: Monday January 12th, 2009

Alternate Airdates:

UK (E4) Apr 02, 2009

Guest Stars
Carol Ann SusiCarol Ann Susi
voiced Mrs. Wolowitz
John Ross BowieJohn Ross Bowie
As Barry Kripke
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: 11.81 million

This episode marks the first appearance of John Ross Bowie as Dr. Barry Kripke, the badly lisping nemesis of Sheldon. Kripke would continue as a recurring character in future seasons of the show.

The title refers to the killer robots that the guys and Kripke build and fight.

This is the first time that Penny goes to Howard's house and meets Mrs. Wolowitz.

ArtistSong TitlePlayed When
Howard WolowitzMy Girl (Marcie Grossman)Bedroom scene with Penny and Howard

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 DesignerFrancoise Cherry-Cohen
Set DecoratorAnn Shea (2)
Property MasterScott L. London
Production Sound MixerBruce Peters
Script SupervisorJulie Fleischer
Re-Recording MixerCharlie McDaniel, III  |  Bob La Masney
Director of PhotographySteven V. Silver
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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