12 Season
279 Episode
The Big Bang Theory - Season 2 Episode 20 The Hofstadter Isotope
Smart is the new sexy.
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.
- Year: 2019
- Country: United States of America
- Genre: Comedy
- Studio: CBS
- Keyword: geek, nerd, friends, scientist, sitcom
- Director: Chuck Lorre, Bill Prady
- Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch