The Big Bang Theory
The Holographic Excitation
Season 6, Episode 5 · Aired 2012-10-25
Synopsis
The gang celebrates Halloween at Stuart's comic book store. Meanwhile, Leonard seduces Penny with science.
In the series
This episode is part of The Big Bang Theory (2007–2019) on CBS.
Nerd culture goes multi-cam prime-time global.
Key cast
- Johnny Galecki as Leonard Hofstadter
- Jim Parsons as Sheldon Cooper
- Kaley Cuoco as Penny
- Simon Helberg as Howard Wolowitz
- Kunal Nayyar as Raj Koothrappali
- Mayim Bialik as Amy Farrah Fowler