The Egg Salad Equivalency
Sheldon's assistant flirts with Leonard, leading to a harassment complaint.
"The Egg Salad Equivalency," the twelfth episode of *The Big Bang Theory*’s sixth season, aired on CBS on January 3, 2013. Chuck Lorre, Eric Kaplan, and Jim Reynolds developed the story, while Steven Molaro, Bill Prady, and Steve Holland wrote the teleplay. Mark Cendrowski directed.
In the episode, Sheldon’s assistant Alex flirts more openly with Leonard, who enjoys the attention despite having no romantic interest in her. Sheldon disapproves, insisting Alex’s focus should be on him. He tries to get advice from Penny, Amy, and Bernadette using a disguised scenario, but Penny sees through it and becomes upset when Sheldon casually reveals Leonard’s enjoyment of the flirtation. Sheldon’s direct conversation with Alex goes poorly—his graphic suggestions and inappropriate comments lead her to file a sexual harassment complaint. In a meeting with human resources administrator Janine Davis, Sheldon calls her a “slave” to biological urges and discusses menstrual cycles. Frustrated, he reveals past inappropriate behavior by Raj, Howard, and Leonard, bringing them all into HR. Sheldon is required to take an online sexual harassment course, which he delegates to Alex. Meanwhile, Leonard apologizes to Penny with a musical number, and they reconcile after he assures her Alex means nothing. Penny decides to overcome her insecurities by wearing glasses, which Leonard finds attractive.
The episode drew 19.25 million U.S. viewers and a 6.1/18 rating among adults 18–49, topping its timeslot and the night against shows like *Mobbed*, *30 Rock*, *Nashville*, and *The Vampire Diaries*. Critics responded positively. Jesse Schedeen of IGN rated it 8.4/10, praising the Sheldon-focused humor and effective use of supporting characters, though noting the HR scene felt too brief and Alex underused. Oliver Sava of *The A.V. Club* gave it an A, calling it one of the season’s strongest episodes and comparing Sheldon’s awkward comments to *Curb Your Enthusiasm*.
- Series
- The Big Bang Theory
- Season
- 6
- Episode
- 12
- Original air date
- January 3, 2013
- Network
- CBS
- Viewers (US)
- 19.25 million
- Rating (18-49)
- 6.1/18
Quick Facts
- Series
- The Big Bang Theory
- Season
- 6
- Episode
- 12
- Director
- Mark Cendrowski
- Teleplay
- Steven Molaro, Bill Prady and Steve Holland
- Story
- Chuck Lorre, Eric Kaplan and Jim Reynolds
- Airdate
- 2013-01-03
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Facts from the source article.
Lore & Background
In the episode, Sheldon's assistant Alex flirts with Leonard, who enjoys the attention despite having no feelings for her. Sheldon disapproves and tries to address the situation indirectly with Penny, Amy, and Bernadette, but Penny becomes irritated when she learns Leonard is enjoying the flirtation. Sheldon then confronts Alex directly, making graphic and inappropriate comments that lead her to file a sexual harassment complaint. In a meeting with human resources administrator Janine Davis, Sheldon makes further offensive remarks, calling her a "slave" to biological urges and discussing menstrual cycles. He retaliates by revealing inappropriate actions by Raj, Howard, and Leonard, resulting in all four being called into HR. Sheldon is required to take an online sexual harassment course, which he delegates to Alex. Meanwhile, Leonard apologizes to Penny with a musical number, and they reconcile. Penny decides to overcome her insecurities by wearing eyeglasses, which turns Leonard on.
Reader's Guide
The episode received positive reviews from critics. Jesse Schedeen from IGN gave it an 8.4/10, praising the Sheldon-centric humor and effective use of supporting characters, though noting the HR showdown was too brief and Alex was underused. Oliver Sara from The A.V. Club gave it an A, calling it one of the strongest episodes of the series' six seasons, with Sheldon's comments reaching "Curb Your Enthusiasm levels of awkwardness." In the United States, the episode was watched by 19.25 million viewers and received a 6.1/18 rating among adults 18-49, ranking first in its timeslot and for the night, ahead of shows on Fox, NBC, ABC, and The CW.
Did You Know?
- The episode was watched by 19.25 million viewers in the United States.
- Sheldon's comments to women were described as reaching 'Curb Your Enthusiasm levels of awkwardness' by The A.V. Club.
- Sheldon delegated his required online sexual harassment course to his assistant Alex.
- The episode ranked first in its timeslot and for the entire night on January 3, 2013.
Narrative Arc & Character Dynamics
The central storyline orbits around Sheldon's frustration with his lab assistant Alex, who begins flirting openly with Leonard. While Leonard finds the dual attention amusing, he harbors zero romantic interest in Alex and simply enjoys being wanted by two women at once. Sheldon views the situation as a personal slight, insisting Alex should direct her attentions toward him exclusively. His attempts to navigate the dilemma prove disastrous: he first tries to extract advice from Penny, Amy, and Bernadette through an obliquely worded hypothetical, but Penny quickly sees through the ruse and grows agitated, particularly when Sheldon casually reveals that Leonard actually enjoys the flirtation. Sheldon then attempts a direct conversation with Alex, but his graphic and deeply inappropriate remarks prompt her to file a formal sexual harassment complaint. The situation spirals when Sheldon insults the HR administrator Janine Davis, calling her a slave to her biological urges and launching into a discussion of the menstrual cycle. In frustration, he exposes past misdeeds of the other guys, dragging Raj, Howard, and Leonard into HR as well. The episode closes with Leonard delivering a musical apology to a temporarily insecure Penny, who decides to wear eyeglasses to project intelligence—a choice that unexpectedly turns Leonard on.
Production & Creative Collaboration
Positioned as the twelfth installment of The Big Bang Theory's sixth season, this episode emerged from a collaborative writing process typical of the show's production pipeline. The initial story was developed by Chuck Lorre, Eric Kaplan, and Jim Reynolds, who established the narrative framework before handing it off to the teleplay team of Steven Molaro, Bill Prady, and Steve Holland, who shaped the material into a full script with dialogue and scene structure. Mark Cendrowski took the helm as director, guiding the on-set execution of the writers' vision. The finished product was delivered to CBS audiences on January 3, 2013, fitting into the network's Thursday comedy lineup. The episode's title, a playful nod to the kind of absurd academic equivalencies Sheldon might construct, signals the show's trademark blend of nerdy specificity and broad comedic escalation. The multi-writer approach—splitting the story and teleplay phases among six different creators—reflects the ensemble-driven nature of the series, where multiple voices contribute to the final product before a single director unifies the performance.
Critical Reception & Reviewer Consensus
Critics largely embraced this episode, with both major reviews landing in positive territory. Jesse Schedeen of IGN awarded it a solid 8.4 out of 10, describing it as a notably Sheldon-centric entry. She highlighted the abundance of character-driven humor anchored in Sheldon's personality and praised the writers for their restrained yet effective use of the supporting cast. However, she noted that the climactic HR confrontation felt underdeveloped and too brief for the buildup it received, and she found the character of Alex to be functionally inert in the episode's narrative. Oliver Sara of The A.V. Club was even more effusive, granting the episode a top A grade and singling it out as one of the strongest installments across the show's first six seasons. Sara specifically lauded the way Sheldon's increasingly inappropriate comments toward women escalated to what he described as Curb Your Enthusiasm-level awkwardness, suggesting the writing pushed the character's social failures to a new comedic peak. Both reviewers agreed the episode succeeded by centering its comedy on Sheldon's distinctive voice rather than relying on the ensemble's usual group dynamics.
Broadcast Performance & Audience Reach
From a viewership standpoint, this episode delivered a commanding performance for CBS. It drew 19.25 million viewers in its original broadcast, a strong number for a mid-season comedy installment. Among the key demographic of adults aged 18 to 49, it posted a 6.1/18 rating, meaning 6.1 percent of that demographic tuned in and 18 percent of all adults with TVs in that age bracket watched the show during its airing window. The episode claimed the top spot in its timeslot, outperforming Fox's reality series Mobbed, a repeat of NBC's 30 Rock, ABC's musical drama Nashville, and The CW's The Vampire Diaries. Beyond its timeslot victory, The Big Bang Theory also secured the position of the highest-rated program across the entire evening, a testament to its broad cross-demographic appeal. This combination of strong numbers and critical approval cemented the episode as one of the season's standout entries in both audience engagement and creative execution.
Frequently Asked Questions
What is the main plot of The Egg Salad Equivalency?
Sheldon's research assistant Alex begins flirting openly with Leonard, and Sheldon becomes upset because he believes her professional attention should be directed at him rather than his coworker.
Who is Alex in The Egg Salad Equivalency?
Alex is Sheldon's lab assistant who shows romantic interest in Leonard, which puts her in an awkward position since Leonard has no interest in her and Sheldon views her flirting as a distraction from her duties.
How does Sheldon try to get advice in The Egg Salad Equivalency?
He approaches Penny, Amy, and Bernadette with a disguised hypothetical scenario about a colleague's behavior, but Penny quickly recognizes it as his own situation.
When did The Egg Salad Equivalency air and who directed it?
The episode premiered on CBS on January 3, 2013, as the twelfth installment of Season 6, and was directed by Mark Cendrowski.
Why is The Egg Salad Equivalency notable among Season 6 episodes?
It highlights Sheldon's possessive attitude toward his assistant and his inability to accept that others around him have independent social lives, a recurring source of friction in his relationships.
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