The Boyfriend Complexity

When Penny's father visits, she gets Leonard to pretend to still be her boyfriend. Meanwhile, Howard, Raj, and Bernadette spend the night on an astronomy project.

Season 4 | Episode 9
TV-14-DL
PRESENTED BY
Cast

Jim Parsons

Sheldon Cooper

Johnny Galecki

Leonard Hofstadter

Kaley Cuoco

Penny

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Raj Koothrappali