The Big Bang Theory: Watch Season 8 Episode 6 Online

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One week ago on The Big Bang Theory, the guys stayed in and lacked motivation to create a new invention.

The gals, meanwhile, hit up Las Vegas.

On The Big Bang Theory Season 8 Episode 6, meanwhile, Leonard and Penny fought about money. In order to arrive at some kind of resolution, they sought assistance from Wolowitz and Bernadette. How do you think that went?

Elsewhere, Sheldon and Raj tested to see if they could survive a dark-matter research expedition. Sounds like a challenge!

Go ahead and watch The Big Bang Theory online to see how these and other developments unfolded:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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The Big Bang Theory Season 8 Episode 6 Quotes

Leonard: I think what Penny meant is, the thought of you two in a mine is kind of funny-- it's like a cat riding a Roomba.
Howard: If they get scared, they'll have those hats with the lights on them, 'cause down there it's night-night all the time!
Bernadette: Maybe they could ride around in one of those mine carts that go,(squeakily): ee-oo-ee-oo-ee-oo.
Leonard: Yeah, it'll help them get away when they see a gh-gh-ghost...!

Penny: Wait, hang on-- you guys are gonna work in a mine?
Sheldon: Why not?
Penny: You had a panic attack when we went through the car wash.