USA,
(2010–2011), 8 h 25 min
(Length: 19–25 min)
Cinematography:
Steven V. SilverCast:
Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Carol Ann Susi, Steve Wozniak, Laurie Metcalf, Melissa Rauch (more)VOD (3)
Episodes(24)
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The Robotic Manipulation (S04E01)
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The Cruciferous Vegetable Amplification (S04E02)
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The Zazzy Substitution (S04E03)
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The Hot Troll Deviation (S04E04)
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The Desperation Emanation (S04E05)
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The Irish Pub Formulation (S04E06)
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The Apology Insufficiency (S04E07)
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The 21-Second Excitation (S04E08)
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The Boyfriend Complexity (S04E09)
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The Alien Parasite Hypothesis (S04E10)
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The Justice League Recombination (S04E11)
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The Bus Pants Utilization (S04E12)
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The Love Car Displacement (S04E13)
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The Thespian Catalyst (S04E14)
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The Benefactor Factor (S04E15)
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The Cohabitation Formulation (S04E16)
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The Toast Derivation (S04E17)
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The Prestidigitation Approximation (S04E18)
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The Zarnecki Incursion (S04E19)
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The Herb Garden Germination (S04E20)
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The Agreement Dissection (S04E21)
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The Wildebeest Implementation (S04E22)
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The Engagement Reaction (S04E23)
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The Roommate Transmogrification (S04E24)
Plots(1)
Sheldon, Leonard, Howard and Raj continue their trek for love and happiness. (Warner Bros. Home Entertainment)
Gallery (156)
The Toast Derivation (S04E17)
Photo © CBS Television
![The Big Bang Theory - Season 4 - The Toast Derivation - Photos - Johnny Galecki, Jim Parsons, Aarti Mann, Simon Helberg](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/161/324/161324150_2a2be6.jpg)
The Prestidigitation Approximation (S04E18)
Photo © CBS Television
![The Big Bang Theory - Season 4 - The Prestidigitation Approximation - Photos - Simon Helberg, Jim Parsons, Kaley Cuoco](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/161/324/161324139_3460ef.jpg)
The Prestidigitation Approximation (S04E18)
Photo © CBS Television
![The Big Bang Theory - Season 4 - The Prestidigitation Approximation - Photos - Kunal Nayyar, Simon Helberg, Jim Parsons](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/161/324/161324140_ecae71.jpg)
The Prestidigitation Approximation (S04E18)
Photo © CBS Television
![The Big Bang Theory - Season 4 - The Prestidigitation Approximation - Photos - Kunal Nayyar, Jim Parsons, Simon Helberg](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/161/324/161324142_5979d0.jpg)
The Zarnecki Incursion (S04E19)
Photo © CBS Television
![The Big Bang Theory - Season 4 - The Zarnecki Incursion - Photos - Kunal Nayyar, Simon Helberg, Jim Parsons, Johnny Galecki](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/161/324/161324135_e90a6a.jpg)
The Zarnecki Incursion (S04E19)
Photo © CBS Television
![The Big Bang Theory - Season 4 - The Zarnecki Incursion - Photos - Melissa Rauch, Kaley Cuoco, Mayim Bialik, Aarti Mann](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/161/324/161324136_fa0630.jpg)