Penny And Leonard Finally Crack The Sheldon Code On The Big Bang Theory

Also, Amy and Howard form an unlikely bond in the new episode "The Collaboration Contamination."

Have Penny ( Kaley Cuoco) and Leonard ( Johnny Galecki) finally figured out the secret to dealing with Sheldon ( Jim Parsons)?

WATCH: A Preview Of Episode 5, Season 11 Of The Big Bang Theory

In the latest installment of The Big Bang Theory called "The Collaboration Contamination," which airs Monday, Oct. 23 at 8/7c on CBS and CBS All Access, the married couple learn new ways of managing Sheldon's many irksome habits from an unlikely source.

Meanwhile, Sheldon and Raj ( Kunal Nayyar) turn to Bernadette ( Melissa Rauch) for help with their jealousy when Howard ( Simon Helberg) and Amy ( Mayim Bialik) collaborate on a new project.

Where did Penny and Leonard find their Sheldon kryptonite? And will Sheldon and Raj be able to cope with Howard and Amy's unlikely bond?

STREAM: Full Episodes Of The Big Bang Theory On CBS All Access

Watch all-new episodes of The Big Bang Theory on Mondays at 8/7c on CBS and CBS All Access.