It's approaching Christmas, and Leonard's mother is coming for a visit, something Leonard fails to tell Penny. Sheldon surmises it's because Beverly Hofstadter will not approve of Penny as a suitable mate for her son. Leonard has not even yet told Beverly that Penny is his girlfriend. Conversely, when Beverly arrives, Leonard finds out that Sheldon knows more about what's going on in her life than he does. When Leonard does find out news about the senior Hofstadter household, he becomes emotionally distraught as what he deems important news to him was previously withheld. But more importantly, Leonard sees this action as a further demonstration of the poor relationship he has with his family. Meanwhile, Penny believes she has a way for Beverly to be a bit more emotionally expressive.
Did You Know?
At the bar, when Penny tells Beverly she's sleeping with Leonard, the position of Beverly's hand on her shot glass and the amount of liquid in it changes between shots. See more
Ah, I always tear up when the Grinch's heart grows three sizes.
Tears seem appropriate. Enlargement of the heart muscle, or hypertrophic cardiomyopathy, is a serious disease which could lead to congestive heart failure.
[to Deck the Halls
Fa-la-la, la-la-la, la-la-la.
You really didn't like it, Sheldon?
No, on the contrary. I found the Grinch to be a relatable, engaging character. And I was really with him right up to the point that he succumbed to social convention and returned ...
For this Christmas episode the Executive Producer's credit is shown in red and green instead of the normal white. See more
History of Everything (Instrumental version)
Written by Barenaked Ladies
Performed by Barenaked Ladies
[Instrumental version of series theme song played over the closing credits] See more