The Big Bang Theory - Season 8 Episode 6
Release Date: Oct 20, 2014
S08 E06Oct 20, 2014
Where to Watch The Big Bang Theory Season 8 Episode 6
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 Howard and Bernadette when they argue about money.