The Big Bang Theory Season 4 Episode 9
The Boyfriend Complexity
Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.
4 - 24The Roommate TransmogrificationMay. 19, 2011- 4 - 23The Engagement ReactionMay. 12, 2011
- 4 - 22The Wildebeest ImplementationMay. 05, 2011
- 4 - 21The Agreement DissectionApr. 28, 2011
- 4 - 20The Herb Garden GerminationApr. 07, 2011
- 4 - 19The Zarnecki IncursionMar. 31, 2011
- 4 - 18The Prestidigitation ApproximationMar. 10, 2011
- 4 - 17The Toast DerivationFeb. 24, 2011
- 4 - 16The Cohabitation FormulationFeb. 17, 2011
- 4 - 15The Benefactor FactorFeb. 10, 2011
- 4 - 14The Thespian CatalystFeb. 03, 2011
- 4 - 13The Love Car DisplacementJan. 20, 2011
- 4 - 12The Bus Pants UtilizationJan. 06, 2011
- 4 - 11The Justice League RecombinationDec. 16, 2010
- 4 - 10The Alien Parasite HypothesisDec. 09, 2010
- 4 - 9The Boyfriend ComplexityNov. 18, 2010
- 4 - 8The 21-second ExcitationNov. 11, 2010
- 4 - 7The Apology InsufficiencyNov. 04, 2010
- 4 - 6The Irish Pub FormulationOct. 28, 2010
- 4 - 5The Desperation EmanationOct. 21, 2010
- 4 - 4The Hot Troll DeviationOct. 14, 2010
- 4 - 3The Zazzy SubstitutionOct. 07, 2010
- 4 - 2The Cruciferous Vegetable AmplificationSep. 30, 2010
- 4 - 1The Robotic ManipulationSep. 23, 2010
