Aired Monday May 27, 1:00pm - 1:30pmon E4

The Big Bang Theory

Series 1 Episode 2: The Big Bran Hypothesis

Sheldon and Leonard go to Penny's apartment to drop off a package, but Sheldon can't believe how messy her apartment is. Later that night, when Leonard is sleeping, sneaks round to clean and organise it, but when she wakes to find what Sheldon has done, Penny's not pleased.

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