
THE BIG BANG THEORY Season 8 Episode 6 Photos The Expedition Approximation : “The Expedition Approximation” – Sheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam tunnel. Meanwhile, Leonard and Penny seek advice from Wolowitz and Bernadette after they fight about money, on THE BIG BANG THEORY, Monday, Oct. 20 (8:00-8:31 PM, ET/PT), on the CBS Television Network. s08e06 8×06 8.06 s8e6
THE BIG BANG THEORY Season 8 Episode 6 Photos The Expedition Approximation











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