Aired Thursday May 30, 6:30pm - 7:00pmon E4

The Big Bang Theory

Series 2 Episode 18: The Work Song Nanocluster

Penny's home-based business selling hair accessories gets out of hand when an over-caffeinated Sheldon takes charge.

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