The Procreation Calculation
| Episode Number | 3 |
|---|---|
| Season | 12 |
| Aired | 2018-10-04 |
| Overview | The Wolowitzes’ life gets complicated when Stuart starts bringing his new girlfriend home. Also, Penny and Leonard talk about starting a family while Koothrappali explores an arranged marriage. |
| Runtime | 25 minutes |
| Absolute Number | 258 |
| Finale Type |