Aired Friday 1 August, 12:40am - 1:05amon E4

The Big Bang Theory

Name: 12:40am - Series 2 Episode 22
Start: 2025-07-31T23:40:00Z
End: 2025-08-01T00:05:00Z
Location: E4

Series 2 Episode 22: The Classified Materials Turbulence

Things begin to look up for Leonard when Penny makes a surprising revelation on her second date with Stuart, while Wolowitz enlists his friends' help when he discovers a critical design flaw in his project for NASA.

Category: Sitcom
Original air date: 04/05/2009

Cast and crew

Mark CendrowskiDirector
Johnny GaleckiLeonard Hofstadter
Jim ParsonsSheldon Cooper
Kaley CuocoPenny
Simon HelbergHoward Wolowitz
Kunal NayyarRaj Koothrappali
Kevin SussmanStuart Bloom

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