Clothing from The Classified Materials Turbulence

The Classified Materials Turbulence

'The Classified Materials Turbulence' - Season 2, Episode 22

After Howard designs a special toilet for the International Space Station, the guys rush to develop a fix to stop the toilet malfunctioning in space. Meanwhile, Penny goes out on a second date with Stuart from the comic book store.

Air Date: May 4, 2009.

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