Details
- Season
- Season 4
- Episode
- S04xE09
- Air Date
- 18 November 2010
- Where to watch
Overview
The Big Bang Theory season 4, episode 9 — “The Boyfriend Complexity” (S04xE09) first aired on 18 November 2010.
Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.