The Big Bang Theory
The Collaboration Fluctuation
Season 10, Episode 19 · Aired 2017-03-30

Synopsis
Leonard, Penny and Raj adjust to their new living arrangement, and Sheldon takes an interest in Amy's work.
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