Tripper Posted October 23, 2017 Posted October 23, 2017 'The Collaboration Contamination' - Season 11, Episode 5 Airs Monday, October 23 at 8/7c on CBS. 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. Share this post Link to post Share on other sites More sharing options...
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