Aired Wednesday 18 September, 6:05pm - 6:35pmon E4 +1

The Big Bang Theory

Series 4 Episode 6: The Irish Pub Formulation

An embarrassing secret of Wolowitz's comes to light as he tries to win back his ex-girlfriend, Bernadette. Meanwhile, Sheldon and Raj have a small war at work.

Category
Sitcom
Original air date
28/10/2010
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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