The Hofstadter Isotope (S02E20)
S02E20
When a fellow comic book fan shows interest in Penny, Leonard and Howard decide to check out the bar's Ladies' Night.
Show
The Big Bang Theory
Episode
S02E20
Air Date
Apr 13, 2009
Season 2 Episodes
S02E01
The Bad Fish Paradigm
S02E02
The Codpiece Topology
S02E03
The Barbarian Sublimation
S02E04
The Griffin Equivalency
S02E05
The Euclid Alternative
S02E06
The Cooper-Nowitzki Theorem
S02E07
The Panty Piñata Polarization
S02E08
The Lizard-Spock Expansion
S02E09
The White Asparagus Triangulation
S02E10
The Vartabedian Conundrum
S02E11
The Bath Item Gift Hypothesis
S02E12
The Killer Robot Instability
S02E13
The Friendship Algorithm
S02E14
The Financial Permeability
S02E15
The Maternal Capacitance
S02E16
The Cushion Saturation
S02E17
The Terminator Decoupling
S02E18
The Work Song Nanocluster
S02E19
The Dead Hooker Juxtaposition
S02E20
The Hofstadter Isotope
S02E21
The Vegas Renormalization
S02E22
The Classified Materials Turbulence
S02E23
The Monopolar Expedition