![](https://assets.tv24.co/channels/e4-l.webp)
Aired Thursday May 30,
6:30pm - 7:00pmon E4
The Big Bang Theory
Series 2 Episode 18: The Work Song NanoclusterPenny's home-based business selling hair accessories gets out of hand when an over-caffeinated Sheldon takes charge.
- Category
- Sitcom
- Original air date
- 2009-03-16
Cast and crew