The Big Bang Theory 11×05 Sneak Peek #3 “The Collaboration Contamination”

The Big Bang Theory 11×05 “The Collaboration Contamination” Season 11 Episode 5 Sneak Peek #3 – Sheldon and Koothrappali confide in Bernadette when they can’t handle Amy and Wolowitz working together. Also, Penny and Leonard learn new tactics for how to deal Sheldon from an unlikely source, on THE BIG BANG THEORY, Monday, October 23rd on CBS.