Aired: October 21, 2014 | Season: 8 | Episode: 6
Overview
Runtime: 21m
Directed by: Mark Cendrowski
Written by: Jim Reynolds, Maria Ferrari, Steve Holland
Description
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.
Season 8 Episode 5
The Focus Attenuation
Season 8 Episode 7
The Misinterpretation Agitation