The Big Bang Theory · SEASON 4

The Boyfriend Complexity

Episode 9 · 2010-11-18

★ 7.9
The Big Bang Theory poster
Season 4Episode 9★ 7.9/10
  • Comedy

Episode overview

Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.

21 minutes

Season 4 episodes