Sheldon kicks Amy out to work solo, so she and Leonard bond during a series of science experiments; Howard is replaced by Bert in Footprints on the Moon; Penny proves to be a surprising source of scientific inspiration for Sheldon. Howard and Raj start a band.
Calificación de episodios
Reparto del episodio
82
12
2
2
1
1
- Penny
- Sheldon Cooper
- Howard Wolowitz
- Leonard Hofstadter
- Amy Farrah Fowler
- Raj Koothrappali
- Bernadette Rostenkowski
- Mary Cooper
- Bert Kibbler
- Halley Wolowitz
- Toby