All 23 episodes from the second season of the US comedy series revolving around two university physicists, Leonard (Johnny Galecki) and Sheldon (Jim Parsons) and their beautiful, free-spirited neighbour Penny (Kaley Cuoco). Episodes are: ´The Bad Fish Paradigm´, ´The Codpiece Topology´, ´The Barbarian Sublimation´, ´The Griffin Equivalency´, ´The Euclid Alternative´, ´The Cooper-Nowitzki Theorem´, ´The Panty Pinata Polarization´, ´The Lizard-Spock Expansion´, ´The White Asparagus Triangulation´, ´The Vartabedian Conundrum´, ´The Bath Item Gift Hypothesis´, ´The Killer Robot Instability´, ´The Friendship Algorithm´, ´The Financial Permeability´, ´The Maternal Capacitance´, ´The Cushion Saturation´, ´The Terminator Decoupling´, ´The Work Song Nanocluster´, ´The Dead Hooker Juxtaposition´, ´The Hofstadter Isotope´, ´The Vegas Renormalization´, ´The Classified Materials Turbulence´ and ´The Monopolar Expedition´.