The Maternal Congruence
| Episode Number | 11 |
|---|---|
| Season | 3 |
| Aired | 2009-12-14 |
| Overview | A Christmas visit from his mother has Leonard discovering she's kept a lot of news from him that she shares with Sheldon and worrying if she'll approve of his romance with Penny. |
| Runtime | 25 minutes |
| Absolute Number | 51 |
| Finale Type | midseason |