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The Big Bang Theory
Loading…The Big Bang TheorySeason 4 · Episode 9 — The Boyfriend Complexity
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Season 4 · Episode 9S4 · E9The Boyfriend Complexity

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Episodes

24 in Season 4

  1. 1The Robotic Manipulation21 min · 2010
  2. 2The Cruciferous Vegetable Amplification21 min · 2010
  3. 3The Zazzy Substitution21 min · 2010
  4. 4The Hot Troll Deviation20 min · 2010
  5. 5The Desperation Emanation21 min · 2010
  6. 6The Irish Pub Formulation22 min · 2010
  7. 7The Apology Insufficiency21 min · 2010
  8. 8The 21-Second Excitation19 min · 2010
  9. 9The Boyfriend ComplexityNow playing
  10. 10The Alien Parasite Hypothesis20 min · 2010
  11. 11The Justice League Recombination20 min · 2010
  12. 12The Bus Pants Utilization21 min · 2011
  13. 13The Love Car Displacement21 min · 2011
  14. 14The Thespian Catalyst21 min · 2011
  15. 15The Benefactor Factor20 min · 2011
  16. 16The Cohabitation Formulation20 min · 2011
  17. 17The Toast Derivation21 min · 2011
  18. 18The Prestidigitation Approximation21 min · 2011
  19. 19The Zarnecki Incursion21 min · 2011
  20. 20The Herb Garden Germination21 min · 2011
  21. 21The Agreement Dissection21 min · 2011
  22. 22The Wildebeest Implementation21 min · 2011
  23. 23The Engagement Reaction20 min · 2011
  24. 24The Roommate Transmogrification21 min · 2011
S4 · E9The Big Bang Theory

The Boyfriend Complexity

7.9Comedy200721 min

Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.

Up nextThe Alien Parasite HypothesisS4 · E10 · 20 min

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