The Collaboration Contamination

Sheldon and Raj confide in Bernadette when they can't handle Amy and Howard working together on a science project. Also, Penny and Leonard learn new tactics for how to deal with Sheldon from an unlikely source.

Release : October 23, 2017

Runtime Epiosde : 19 minutes

Rating : 7.00

Credits

Johnny Galecki ( Johnny Galecki )

Leonard Hofstadter

Jim Parsons ( Jim Parsons )

Sheldon Cooper

Kaley Cuoco ( Kaley Cuoco )

Penny

Simon Helberg ( Simon Helberg )

Howard Wolowitz

Kunal Nayyar ( Kunal Nayyar )

Rajesh Koothrappali

Melissa Rauch ( Melissa Rauch )

Bernadette Rostenkowski

Mayim Bialik ( Mayim Bialik )

Amy Farrah Fowler