12 The Killer Robot Instability

The Big Bang Theory, Season 2

• Air date: 2009
• Season: 2
• Episode: 12
• Prod. code:
• Network: CBS
• Genre: Comedy
• Rating: TV-14
• Director: Mark Cendrowski
• Writers: Chuck Lorre, Bill Prady
• Producer:
• Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar
• Plot: Penny's cutting remark crushes Howard's spirit just before the guys' big fighting-robot competition.
• Synopsis: Penny's cutting remark crushes Howard's spirit just before the guys' big fighting-robot competition.

• Series: The Big Bang Theory
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