: Sheldon and Raj consider joining a research expedition in an abandoned salt mine to study dark matter. To test their endurance for the harsh, cramped conditions, they spend time in the university's underground steam tunnels.

: During their time underground, Raj and Sheldon discuss Star Trek: Voyager , Miley Cyrus, and the logic of Hannah Montana's secret identity. Production Credits Director : Mark Cendrowski

: Despite their scientific ambitions, the simulation only lasts 11 minutes before Sheldon flees in terror after spotting rats, leaving Raj behind.

: To resolve their money issues, Leonard and Penny visit Howard and Bernadette. However, they quickly discover that the Wolowitzes’ own financial arrangement—where Bernadette earns significantly more and provides Howard with an "allowance"—is equally complicated. Notable Moments

: Penny sells the car Leonard previously bought for her because her new pharmaceutical job provides a company vehicle. When she tries to return the money, it leads to an argument about their shifting financial dynamic.

Watch The Big Bang Theory S08e06 Hdtv Xvid-fum ... -

: Sheldon and Raj consider joining a research expedition in an abandoned salt mine to study dark matter. To test their endurance for the harsh, cramped conditions, they spend time in the university's underground steam tunnels.

: During their time underground, Raj and Sheldon discuss Star Trek: Voyager , Miley Cyrus, and the logic of Hannah Montana's secret identity. Production Credits Director : Mark Cendrowski Watch The Big Bang Theory S08E06 HDTV XviD-FUM ...

: Despite their scientific ambitions, the simulation only lasts 11 minutes before Sheldon flees in terror after spotting rats, leaving Raj behind. : Sheldon and Raj consider joining a research

: To resolve their money issues, Leonard and Penny visit Howard and Bernadette. However, they quickly discover that the Wolowitzes’ own financial arrangement—where Bernadette earns significantly more and provides Howard with an "allowance"—is equally complicated. Notable Moments Production Credits Director : Mark Cendrowski : Despite

: Penny sells the car Leonard previously bought for her because her new pharmaceutical job provides a company vehicle. When she tries to return the money, it leads to an argument about their shifting financial dynamic.