The Big Bang Theory backdrop
The Big Bang Theory S2E12 — The Killer Robot Instability
7.8
The Big Bang Theory•Season 2•Episode 12

The Killer Robot Instability

7.8/10 · 5,056 votesJan 12, 200921 min

Ranked #21 of 23 in Season 2•−0.4 vs season avg

Discussion

Penny's criticism of Wolowitz's romantic life pushes him into depression and AWOL for a fighting robot battle the rest of guys are depending on him for.

Directed byMark Cendrowski
Previous episodeE11 · The Bath Item Gift HypothesisNext episodeE13 · The Friendship Algorithm
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons12

All123456789101112

Season 2 Episodes23

The Bad Fish Paradigm stillE1 8.2

The Bad Fish Paradigm

The Codpiece Topology stillE2 7.9

The Codpiece Topology

The Barbarian Sublimation stillE3 8.7

The Barbarian Sublimation

The Griffin Equivalency stillE4 7.8

The Griffin Equivalency

The Euclid Alternative stillE5 8.3

The Euclid Alternative

The Cooper-Nowitzki Theorem stillE6 8.1

The Cooper-Nowitzki Theorem

The Panty Piñata Polarization stillE7 8.6

The Panty Piñata Polarization

The Lizard-Spock Expansion stillE8 8.0

The Lizard-Spock Expansion

The White Asparagus Triangulation stillE9 8.0

The White Asparagus Triangulation

The Vartabedian Conundrum stillE10 7.6

The Vartabedian Conundrum

The Bath Item Gift Hypothesis stillE11 9.1

The Bath Item Gift Hypothesis

The Killer Robot Instability stillE12 7.8Now viewing

The Killer Robot Instability

The Friendship Algorithm stillE13 7.9

The Friendship Algorithm

The Financial Permeability stillE14 7.9

The Financial Permeability

The Maternal Capacitance stillE15 8.8

The Maternal Capacitance

The Cushion Saturation stillE16 8.1

The Cushion Saturation

The Terminator Decoupling stillE17 8.0

The Terminator Decoupling

The Work Song Nanocluster stillE18 8.1

The Work Song Nanocluster

The Dead Hooker Juxtaposition stillE19 8.1

The Dead Hooker Juxtaposition

The Hofstadter Isotope stillE20 7.8

The Hofstadter Isotope

The Vegas Renormalization stillE21 8.4

The Vegas Renormalization

The Classified Materials Turbulence stillE22 8.1

The Classified Materials Turbulence

The Monopolar Expedition stillE23 8.2

The Monopolar Expedition

Cast5

Johnny Galecki

Johnny Galecki

Leonard Hofstadter

Jim Parsons

Jim Parsons

Sheldon Cooper

Kaley Cuoco

Kaley Cuoco

Penny

Simon Helberg

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Kunal Nayyar

Rajesh Koothrappali

Crew6

Steven Molaro

Steven Molaro

Teleplay

Mark Cendrowski

Mark Cendrowski

Director

Bill Prady

Bill Prady

Story

J

Julie Fleischer

Script Supervisor

R

Richard A. Rosenstock

Story

D

Daley Haggar

Teleplay

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"The Killer Robot Instability" is episode 12 of The Big Bang Theory season 2. It scored 7.8/10 from 5,056 votes, ranking #21 of 23 episodes this season (season average 8.2). Directed by Mark Cendrowski, it aired on January 12, 2009.

Next: E13 · The Friendship AlgorithmBest of Season 2