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The Big Bang Theory: 8x6

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 deep underground. Leonard and Penny seek advice from Howard and Bernadette after they fight about money.

The Big Bang Theory: 8×6
The Big Bang Theory: 8×6
The Big Bang Theory: 8×6
The Big Bang Theory: 8×6
The Big Bang Theory: 8×6
The Big Bang Theory: 8×6
The Big Bang Theory: 8×6
Oct. 20, 2014