311 - The Maternal Congruence
Aired December 14, 2009

The Maternal Congruence

Leonard's mother, Dr. Beverly Hofstadter, is in town Christmas. His mother's visit is distressing for Leonard, especially after she finds out about his relationship with Penny. Sheldon, however, is pleased to spend time with Dr. Hofstadter, whose analytical mind he finds enthralling.

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Guest Stars: Christine Baranski as Beverly Hofstadter

Writers: Lee Aronsohn (Story), Steven Molaro (Story), Richard Rosenstock (Story), Maria Ferrari (Story), Chuck Lorre (Teleplay), Bill Prady (Teleplay), Dave Goetsch (Teleplay)

Director: Mark Cendrowski

Viewers: 15.56 million Households Rating: 9.3/14 Adults 18-49 Rating: 5.6/14

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Episode Notes

  • The title refers to the visit Leonard's mother's visit. The congruence could refer to Beverly getting closer to Penny or, indeed, getting a bit too close to Sheldon.

> Sheldon's Knock

Sheldon uses his knock when he goes to check on Leonard in his bedroom. 

Quotes (25)

Sheldon: I made tea.
Leonard: I don't want tea.
Sheldon: I didn't make tea for you. This is my tea.
Leonard: Then why are you telling me?
Sheldon: It's a conversation starter.
Leonard: That's a lousy conversation starter.
Sheldon: Oh, is it? We're conversing. Checkmate.

Leonard: When we watch Frosty the Snowman, he roots for the sun.
Sheldon: Excuse me, but the sun is essential for all life on earth. Frosty is merely a bit of frozen, supernatural ephemera in a stolen hat. A crime, by the way, for which he is never brought to account.

Penny Sheldon, did you have a Christmas tree?
Sheldon: Oh, yes. We had a tree, we had a manger, we had an inflatable Santa Clause with plastic reindeer on the front lawn... and to make things even more jolly, there were so many blinking lights on the house they induced neighborhood-wise seizures.

Beverly Hofstadter: So, Howard, have you and Rajesh finally summoned the courage to express your latent homosexual feelings towards one another?

Penny: I always tear up when the Grinch's heart grows three sizes.
Sheldon: Tears seem appropriate. Enlargement of the heart muscle, or hypertrophic cardiomyopathy, is a serious disease which can lead to congestive heart failure.


While Penny and Leonard decorate the Christmas tree, Sheldon mentions that Leonard's mother will be arriving soon. Penny is surprised that Leonard hadn't informed her of their visit - or told his mother that they're dating. When Leonard and Sheldon pick Beverly up from the airport, Leonard finds out that Sheldon and his mother have been communicating and Sheldon now knows more about what's been happening in her life than he does.

As the guys, Penny and Dr. Hofstadter eat dinner, Leonard learns that his mother had surgery, his dog is dead and that his parents are getting divorced - none of which revelations to Sheldon. Beverly also takes the opportunity to ask Howard and Raj about their "ersatz homosexual relationship", to which Howard tells her about his girlfriend Bernadette. When Beverly doesn't believe Howard has a girlfriend, Leonard refuses to back him up.

Penny and Beverly go to the Cheesecake Factory and get terribly drunk. Penny reveals to Beverly that she and Leonard are in a relationship, though Beverly's more interested in the busboy. When they get back to the apartment, Beverly scolds Leonard for not telling her about his relationship with Penny. Leonard admonishes her for not telling him about her surgery, Mitzi's death or her divorce, and admits that he wants a closer mother/son relationship. Beverly hugs Leonard. After Leonard has left the room, Beverly kisses Sheldon, though she concedes she would have preferred the busboy.

The next day, Penny and Beverly are hung-over as Leonard and Sheldon take his mother to the airport. Beverly asks for forgivness for her indiscretions the previous night, though they all agree not to tell Leonard what happened.

Comments (27)

Rhonda P'wow United States, 16:07 Dec 28 2012.
My husband and I are addicted to the show. The writing AND acting are incredible. At first, Sheldon was the main draw, but I have become attached to all of the characters--even the guest actors. Sheldon & Leonard's mothers are so very funny! I hope the show runs for a very long time.
Quentin United States, 20:01 Oct 21 2012.
They should have let Sheldon and Beverly stay together, at least 4 a while.Sheldon as Leonard'stepfather?Too funny. Or is may-december romance too edgy for you?
annie Australia, 04:10 Sep 9 2011.
BANG hahaha i love sheldon!
Manu Germany, 20:06 May 18 2011.
'Weltschmerz' - oh, I know exactly how Leonard feels! BTW: It`s funny to hear that word being said by Sheldon...
Australia, 00:11 Sep 26 2010.
My gosh. That was sheldons first kiss.. slightly disturbing. :P <3 big bang theory
Hitchhiker Canada, 17:06 Jul 13 2010.
Your Shoes are delightful, where did you get them ?! BAZINGA! I don't care.
jordan Australia, 18:05 Apr 25 2010.
i like the big bang theory and sheledon is funny
PianoWizzy United States, 13:09 Apr 22 2010.
AWWWW!!! The photo album is missing THE BEST PART!!!!!!
Daisy United Kingdom, 11:11 Jan 11 2010.
I just love The Big Bang Theory - Only seen 4 episodes of series 3 in the UK so far so I have ALL the rest to look forward to!
Daei Colombia, 10:52 Jan 9 2010.
u.u The Big Bang Theory is the best comedy T.V. show I've ever seen before. I'm a big fan of your show, I wish you all a great 2010 year, full of success and happiness. You all, TBBT staff deserve it.

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