Loading ...Discovering that Leonard, Raj, and Howard fudged the results of his Arctic research expedition, a disgraced Sheldon heads home to Texas.
Watch The Big Bang Theory S02E23 Season 2 Episode 23 – The Monopolar Expedition
The guys’ prestigious offer to work over the summer at the North Pole—and Penny’s resultant behavior—leaves Leonard unsure if he should go.
Watch The Big Bang Theory S02E22 Season 2 Episode 22 – The Classified Materials Turbulence
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.
Watch The Big Bang Theory S02E21 Season 2 Episode 21 – The Vegas Renormalization
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.
Watch The Big Bang Theory S02E20 Season 2 Episode 20 – The Hofstadter Isotope
A fellow comic book enthusiast’s hitting on Penny leads to Leonard, Raj, and Howard going to a bar’s Ladies’ Night.
Watch The Big Bang Theory S02E19 Season 2 Episode 19 – The Dead Hooker Juxtaposition
Penny feels threatened when another sexy woman moves into the apartment building and angered when she senses the guys are being taken advantage of.
Watch The Big Bang Theory S02E18 Season 2 Episode 18 – The Work Song Nanocluster
Penny’s business selling hair accessories out of her apartment gets out of hand when an over-caffeinated Sheldon takes charge.
Watch The Big Bang Theory S02E17 Season 2 Episode 17 – The Terminator Decoupling
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. Meanwhile, Sheldon frets over having forgotten a paper he wants to present to George Smoot.
Watch The Big Bang Theory S02E16 Season 2 Episode 16 – The Cushion Saturation
Paintball leads to a squabble between Sheldon and Penny, as well as romance between Howard and Leslie.
Watch The Big Bang Theory S02E15 Season 2 Episode 15 – The Maternal Capacitance
A visit from Leonard’s mother ends up bringing him and Penny closer.
