The Collaboration Contamination
| Episode Number | 5 |
|---|---|
| Season | 11 |
| Aired | 2017-10-23 |
| Overview | 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. |
| Runtime | 25 minutes |
| Absolute Number | 236 |
| Finale Type |