集数
- 第 2 季第 1 集 - The Bad Fish Paradigm2008年9月21日22 分钟Penny opens up to a reluctant Sheldon after a less-than-stellar first date with Leonard, placing him in the uncomfortable position of having to keep a secret.本视频当前不可用。
- 第 2 季第 2 集 - The Codpiece Topology2008年9月28日21 分钟Seeing Penny with another guy sends Leonard back to Leslie Winkle, much to Sheldon's dismay.本视频当前不可用。
- 第 2 季第 3 集 - The Barbarian Sublimation2007年12月31日21 分钟Penny becomes addicted to an online game based on the world of Conan the Barbarian and persistently pesters Sheldon for advice.本视频当前不可用。
- 第 2 季第 4 集 - The Griffin Equivalency2008年10月12日21 分钟Full of confidence following being named one of People's 30 to Watch Under 30, Raj hits on Penny and becomes impossibly arrogant.本视频当前不可用。
- 第 2 季第 5 集 - The Euclid Alternative2007年12月31日20 分钟An intervention is used to try to force Sheldon to overcome his fear of driving.本视频当前不可用。
- 第 2 季第 6 集 - The Cooper-Nowitzki Theorem2007年12月31日21 分钟Sheldon and his friends are mystified when a younger undergraduate student is attracted to him.本视频当前不可用。
- 第 2 季第 7 集 - The Panty Pinata Polarization2007年12月31日21 分钟When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate. Howard and Raj search for the America's Next Top Model house.本视频当前不可用。
- 第 2 季第 8 集 - The Lizard-Spock Expansion2008年11月16日20 分钟Sheldon wants to use an alternate version of rock-paper-scissors to help resolve conflicts. A girl Wolowitz has a major crush on falls for Leonard.本视频当前不可用。
- 第 2 季第 9 集 - The White Asparagus Triangulation2008年11月23日21 分钟Sheldon is over-exuberant that Leonard finally has a girlfriend matching his high standards.本视频当前不可用。
- 第 2 季第 10 集 - The Vartabedian Conundrum2008年12月7日21 分钟Leonard seeks Penny's counsel when his relationship with Stephanie takes off faster than he'd like. Sheldon's hypochondriac tendencies get the better of him.本视频当前不可用。
- 第 2 季第 11 集 - The Bath Item Gift Hypothesis2007年12月31日21 分钟Sheldon irks the gangs with his obsession with proper Christmas gift protocol. Leonard's crushed when Penny dates a colleague of his.本视频当前不可用。
- 第 2 季第 12 集 - The Killer Robot Instability2008年12月31日21 分钟Penny's criticism of Wolowitz's romantic life pushes him into depression and AWOL for a fighting robot battle the rest of the guys are depending on him for.本视频当前不可用。
- 第 2 季第 13 集 - The Friendship Algorithim2008年12月31日21 分钟Looking to get friendly with Barry Kripke to gain access to a piece of high-tech lab equipment, Sheldon develops a flowchart process to make friends.本视频当前不可用。
- 第 2 季第 14 集 - The Financial Permeability2008年12月31日22 分钟When Sheldon loans money to Penny so she can pay her rent, it leads to Leonard coming face-to-face with her ex, Kurt.本视频当前不可用。
- 第 2 季第 15 集 - The Maternal Capacitance2008年12月31日21 分钟A visit from Leonard's mother ends up bringing him and Penny closer.本视频当前不可用。
- 第 2 季第 16 集 - The Cushion Saturation2008年12月31日21 分钟Paintball leads to a squabble between Sheldon and Penny as well as romance between Howard and Leslie.本视频当前不可用。
- 第 2 季第 17 集 - The Terminator Decoupling2008年12月31日21 分钟The gang is thrilled when they see Terminator: The Sarah Connor Chronicles' Summer Glau is also aboard their train to San Francisco for a scientific symposium. Sheldon frets over having forgotten a paper he wants to present to George Smoot.本视频当前不可用。
- 第 2 季第 18 集 - The Work Song Nanocluster2008年12月31日21 分钟Penny's business selling hair accessories out of her apartment gets out of hand when an over-caffeinated Sheldon takes charge.本视频当前不可用。
- 第 2 季第 19 集 - The Dead Hooker Juxtaposition2008年12月31日20 分钟Penny feels threatened when another sexy woman moves into the apartment building and angered when she senses the guys are being taken advantage of.本视频当前不可用。
- 第 2 季第 20 集 - The Hofstadter Isotope2008年12月31日20 分钟A fellow comic book enthusiast's hitting on Penny leads to Leonard, Raj and Howard going to a bar's Ladies' Night.本视频当前不可用。
- 第 2 季第 21 集 - The Vegas Renormalization2008年12月31日22 分钟Leonard and Raj take Wolowitz to Las Vegas to help him get over his break-up with Leslie. Sheldon, home alone and looking forward to it, locks himself out and has only one other place to stay: Penny's.本视频当前不可用。
- 第 2 季第 22 集 - The Classified Materials Turbulence2008年12月31日19 分钟Leonard is torn between being honest or self-serving when Stuart asks his advice for an upcoming second date with Penny. Wolowitz realizes there's a crucial error in a toilet he designed for the International Space Station.本视频当前不可用。
- 第 2 季第 23 集 - The Monopolar Expedition2008年12月31日21 分钟The guys receive a prestigious offer to work over the summer at the North Pole, and Penny's resultant behavior leaves Leonard unsure if he should go.本视频当前不可用。