"The Benefactor Factor" is the fifteenth episode of the fourth season of the American sitcom The Big Bang Theory. This episode first aired on Thursday, February 10, 2011.[1]


The university is in need of funds and, as a result, the gang is told to attend a fundraiser. At the fundraiser, Leonard meets one of the university's leading donors, Mrs. Latham, and their relationship later takes an intimate turn.

Extended Plot


Leonard in her limo.


Mrs. Latham makes a move on Leonard.



The gang is eating and chatting at the cafeteria, and, unexpectedly, the president of the university, President Siebert, approaches them and asks them to attend a fundraiser for the university. Sheldon refuses to go. On the night of the fundraiser, the gang is ready to go, except Sheldon, who still refuses to go. At the fundraiser, President Siebert approaches the trio and introduces them to Mrs. Latham. Mrs. Latham's condescending attitude terrifies the trio. While Sheldon is video chatting with Amy, she alerts him that if he is not at the fundraiser, the others may fail and the funds will go to other departments including the geology and the liberal arts. Later, Mrs. Latham explains to Leonard that she actually comes to the fundraiser to make smart people feel uncomfortable. Meanwhile, Sheldon is terrorizing the people at the fundraiser.

The following morning, Sheldon gets a phone call from President Siebert telling him to stay away from fundraisers. Next, a phone call comes in for Leonard from Mrs. Latham inviting him out for dinner. After the dinner, Leonard explains how Mrs. Latham is similar to his mother before she suddenly kisses him. After Leonard had arrived home, he explained to the gang what happened at dinner. He also wishes there was something to drink in Apartment 4A. Since they need money for the equipment, Sheldon asks Leonard to proceed with "trading sexual favor for material gain" just like Penny does. And that's a compliment.

The next night, Sheldon gives Leonard a box containing condoms, Viagra, baby oil, and a picture of Mrs. Latham as a 25 year old. Leonard says he won't prostitute himself. On the date, Mrs. Latham expressed her apology for the night before as she made him feel the relationship had taken a Quid Pro Quo turn. She also reassures him that she will be donating the money no matter how this date goes, and after she claims that Leonard would have a night he would not forget with her, he kisses her and presumably, the desperate Leonard hops on the rare opportunity to have sexual intercourse. The next morning, Penny catches Leonard walking the "walk of shame". She enters the apartment and along with Sheldon, she bashes him with a lot of jokes, although Sheldon is serious and tells Leonard he has a knack for gigolo work and should sell himself for more equipment.


Hello, slut!

At the university, Leonard is showered with applause by President Siebert and his colleagues as he "took one for the team". Siebert also admits that in his earlier days he did the same things Leonard did as a fundraiser.

As credits roll, Howard's voice can be heard asking "So, how was she?"



  • The TV Critic: "I also liked the story being structured to reward Leonard for being agreeable and pleasant. He was rewarded for his social exploits with a big round of applause from his colleagues whereas Sheldon's cold indifference got him banned from future fundraising...Penny laughs at him for it which kind of missed the opportunity to shine a light on their feelings for one another but it was nice just to get an actual ending to a plot for once...This was a good story and the conclusion was passable. Lots of room for improvement but isn't there always?"[2]
  • The A.V. Club gave this episode a B.[3]
  • IMDb user reviews


  • Title Reference: The title refers to the factor that makes Mrs. Latham donate money to the university.
  • Chuck Lorre's vanity card.
  • This episode was watched by 12.79 million people with a rating of 3.9 (adults 18-49).[4]
  • This episode aired in Canada on February 10, 2011 with 3.123 million viewers and a weekly ranking of #2.[5]
  • In the United Kingdom, this episode aired on July 14, 2011 with 1.279 million total viewers and a weekly ranking of #6.[6]
  • Episode transcript [1]



Raj: Here's what I wonder about zombies. What happens if they can't get any human flesh to eat? They can't starve to death, they're already dead.
Howard: You take this one. I spent an hour last night on do how vampires shave when they can't see themselves in the mirror.
Sheldon: Well-groomed vampires meet in pairs and shave each other: Case closed!

Sheldon: Tell him Dr. Cooper feels that the best use of his time is to employ his rare and precious mental faculties to tear the mask off nature and stare at the face of God.

Amy: And consider this, without you to make the case for the physics department, the task will fall to people like Leonard and Rajesh.
Sheldon: Are you trying to scare me? ‘Cause you’re succeeding.
Amy: Well, then prepare to be terrified. If your friends are unconvincing, this year’s donations might go to, say, the geology department.
Sheldon: Oh, dear, not, not the dirt people!
Amy: Or worse, it could go to the liberal arts.

(Leonard enters the cafeteria, which erupts in applause)
President Siebert: There he is, the man of the hour! (Puts his arm around Leonard's shoulder.) He took one for the team!
Leonard: I didn't do it for the money.
Siebert: Keep telling yourself that, it makes it easier. Believe me.



  1. The Big Bang Theory - The Benefactor Factor (TV Episode 2011) - IMDb
  2. The TV Critic's Review
  3. The Big Bang Theory: "The Benefactor Factor" - TV Club - The A.V. Club
  4. Thursday Final Ratings: 'American Idol,' 'Vampire Diaries' Adjusted Up; 'Private Practice,' 'Bones,' 'Office,' 'Parks & Rec' Down Zap2it
  5. Top Programs – Total Canada (English) February 7 – February 13, 2011 - BBM Canada
  6. BARB via Wikipedia
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