The big bang theory: The complete second season

Disc 1. The bad fish paradigm ; The codpiece topology ; The barbarian sublimation ; The Griffin equivalency ; The Euclid alternative ; The Cooper-Nowitzki theorem

Disc 2. The panty piñata polarization ; The lizard-Spock expansion ; The white asparagus triangulation ; The Vartabedian conundrum ; The bath item gift hypothesis ; The killer robot instability

Disc 3. The friendship algorithm ; The financial permeability ; The maternal capacitance ; The cushion saturation ; The Terminator decoupling ; The work song nanocluster

Disc 4. The dead hooker juxtaposition ; The Hofstadter isotope ; The Vegas renormalization ; The classified materials turbulence ; The monopolor expedition.