The Big Bang Theory Season 4 Episode 17 The Toast Derivation 2010
7.897/10 by 10861 users
Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard is the center of the group.
- Released: 2011-02-24
- Runtime: 22 minutes
- Genre: Comedy
- Stars: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar
- Director: Rick Puccio, Brian W. Armstrong, Jamie Hitchcock, Richard Price, John DeChene
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1. The Robotic Manipulation 2010-09-23
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2. The Cruciferous Vegetable Amplification 2010-09-30
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3. The Zazzy Substitution 2010-10-07
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4. The Hot Troll Deviation 2010-10-14
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5. The Desperation Emanation 2010-10-21
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6. The Irish Pub Formulation 2010-10-28
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7. The Apology Insufficiency 2010-11-04
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8. The 21-Second Excitation 2010-11-11
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9. The Boyfriend Complexity 2010-11-18
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10. The Alien Parasite Hypothesis 2010-12-09
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11. The Justice League Recombination 2010-12-16
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12. The Bus Pants Utilization 2011-01-06
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13. The Love Car Displacement 2011-01-20
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14. The Thespian Catalyst 2011-02-03
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15. The Benefactor Factor 2011-02-10
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16. The Cohabitation Formulation 2011-02-17
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17. The Toast Derivation 2011-02-24
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18. The Prestidigitation Approximation 2011-03-10
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19. The Zarnecki Incursion 2011-03-31
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20. The Herb Garden Germination 2011-04-07
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21. The Agreement Dissection 2011-04-28
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22. The Wildebeest Implementation 2011-05-05
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23. The Engagement Reaction 2011-05-12
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24. The Roommate Transmogrification 2011-05-19
