[s4e15] The Benefactor Factor Instant

When Leonard seeks advice from Penny, she finds the situation hilarious and encourages him to do it, teasing him about being a "gigolo" for science.

Title reference: Mrs. Latham, a woman Leonard has sex with so that she will donate money to the university. [S4E15] The Benefactor Factor

is the 15th episode of the fourth season of the hit CBS sitcom The Big Bang Theory , which originally aired on February 10, 2011. Episode Synopsis When Leonard seeks advice from Penny, she finds

After a night of conversation, Mrs. Latham makes it clear that she will only donate a substantial sum for a new cryostat—essential equipment for Leonard’s research—if he agrees to sleep with her. Key Plot Points is the 15th episode of the fourth season

For more details on the cast and crew, you can visit the IMDb episode page .