Aired Saturday July 24, 3:40pm - 4:10pmon E4 +1

The Big Bang Theory

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
2009-05-04
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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