The Proton Displacement S7E7 - The Proton Displacement 2013
Sheldon seeks payback when Arthur "Professor Proton" Jeffries asks Leonard for help on a project instead of him. Raj gets upset at Howard for crashing his night with the girls.
- Released: 2013-11-07
- Runtime: 50 minutes
- Genre:
- Stars: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik
- Director: Mark Cendrowski