Clothing from The Cooper-Hofstadter Polarization
'The Cooper-Hofstadter Polarization' - Season 1, Episode 9
When Sheldon and Leonard are asked to present their work at a physics conference, Sheldon unilaterally decides not to. Leonard and Sheldon feud when Leonard decides to present their work alone in spite of Sheldon's objections. Penny's attempts at reconciling the pair only make matters worse.
Air Date: March 17, 2008.
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