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Aired Monday July 4, 10:40am - 11:05amon Channel 4

The Big Bang Theory

Series 6 Episode 3: The Higgs Boson Observation

Amy is jealous when Sheldon hires an attractive female assistant named Alex. However, it turns out that Alex is more interested in Leonard, which makes Penny feel threatened. Meanwhile, Howard discovers that his return from space has been delayed by a week and the pressure begins to take its toll on his mind.

Original air date
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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