The Big Bang Theory

Series 1 Episode 5: The Hamburger Postulate

Leonard fears that he's wasting his time on Penny, so he ends up making a connection with Leslie. Meanwhile, Sheldon frets over a change to his hamburger routine.

Category: Sitcom
Original air date: 2007-10-22

Cast and crew

Andrew WeymanDirector
Johnny GaleckiLeonard Hofstadter
Jim ParsonsSheldon Cooper
Kaley CuocoPenny
Simon HelbergHoward Wolowitz
Kunal NayyarRaj Koothrappali
Sara GilbertLeslie Winkle

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