The Big Bang Theory
› Season 3
S3 E11: The Maternal Congruence
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.
| Air date | Dec 14, 2009 |
|---|---|
| Runtime | 20 minutes |
| TMDB rating | ★ 7.6/10 |