"2008-03-17"^^ . . "None"@en . . . . . . . . . . . . . . . . . . . . "Sheldon and Leonard are invited to present their joint research paper at an academic conference. Sheldon forbids Leonard from presenting it. This problem eventually spirals into a horrible fight between them."@en . "9"^^ . . . . "Season 2"@en . . "Leonard &"@en . . . . . . . . . . "1"^^ . . . . . . . . . . . . "Sheldon trying to blow up Leonard's brain."@en . . . "Sheldon"@en . . . . . . . . . . "Talbott Lin as"@en . . . . "The Cooper-Hofstadter Polarization"@en . . . . . "Howard Chan as"@en . . . . . . "The Cooper-Hofstadter Polarization"@en . . . . . . . . . . . . . . . . . "Sheldon and Leonard are invited to present their joint research paper at an academic conference. Sheldon forbids Leonard from presenting it. This problem eventually spirals into a horrible fight between them."@en . . .