S9 S10 Priya Koothrappali is Raj 's younger sister. Though she often looks annoyed or exasperated, she can be quite funny. Contents Series overview Before the series Priya first met the guys on April 12, He offers to return home with her to India , but she isn't interested and can't take a white boy home to India.
She is licensed to practice law in 3 different countries presumably in the United States, Great Britain and India. She is one of the lead attorneys for the biggest car company in India based on statistics, Tata Motors , having planned an internship at a large Indian car company in when she was finishing her law degree.
She goes to Toronto for a corporate merger and later helps set up a secondary derivatives market which would allow overseas car firms to hedge their investments against potential advancements in battery technology. Penny , Amy and Bernadette call her a bitch. Season 4 Priya kisses Leonard for the first time on her return to LA.
In " The Irish Pub Formulation ", Priya is passing through California and resumes relations with Leonard, sleeping with him in his apartment that night. The following morning, Leonard again expresses desire to join her in India. She refuses, stating they've talked about it before and the relationship wasn't serious.
They try to sneak out, but Sheldon sees them and concludes they had sex and then he freaks out because he forgot to put on his noise canceling head-phones that's why he was up all night.
Leonard returns Priya to the airport and instructs Sheldon to keep it secret. Sheldon further complicates the matter by concocting a crazy story involving an Irish bar maid. When confronted about his night Leonard begins using Sheldon's story, but can't bring himself to say it. He admits that he was with Priya. Raj is angry at first, but feels better after hearing of Priya's refusal from Leonard. Following this revelation the guys begin confronting one another about different things they had done wrong to each other such as telling Raj that foreigners don't give gifts to Americans on Thanksgiving or wash clothes on The 4th of July, Leonard showering with Priya.
In " The Cohabitation Formulation ", she arrives on a much longer assignment and starts dating Leonard openly despite protest from Raj. In " The Prestidigitation Approximation ", Priya tests Leonard with steadily increasing demands contact lenses, clothing shopping. In her final request, diminish or eliminate ties with Penny , Priya reasons he shouldn't date while being friends with women he's slept with.
Leonard has difficulty telling Penny about it, but she figures it out anyway and agrees to keep her distance. Bernadette , Amy , and Penny band together to vent about Priya's controlling behavior. She successfully defends on all counts.
She continues to poke holes in the contract until Sheldon writes a new contract. He blackmails Priya by threatening to expose their relationship to her parents.
Although Priya never reveals why she doesn't want her parents to know, Leonard accepts the agreement at Priya's pleading. It is assumed that her parents do not approve of Leonard or pretty much anyone. Leonard and Priya mention going to India in the summer to meet her parents. Bernadette asks Priya about parental approval, she states her parents are very old fashioned. Bernadette asks if they're planning on getting engaged and Priya denies it stating their relationship isn't at that point.
Bernadette spying on Priya. She states her parents are extremely protective. Later, in the hospital, Penny and Priya bond while discussing Leonard's sexual peculiarities long foreplay, dancing. They openly share his quirks with each other much to the discomfort of Leonard. Leonard moves in with Priya momentarily in " The Roommate Transmogrification " and Raj moves in with Sheldon so Priya can spend more time with him.
She gets a call from her parents while making out with Leonard. She tells him to go to the bedroom while she talks with them. He expresses frustration that she won't tell her parents, but Priya retorts that she'll tell them as soon as one of her brothers or sisters makes a big mistake.
Leonard retreats to the bedroom, but listens to the conversation. After Priya's mother mentions her return to India the following month, Leonard asks Priya when she had planned on telling him. After her parents ask why she's lying about people in her apartment Rajesh Ramayan Koothrappali's Apartment and Raj being out with friends, Leonard tells her parents about their relationship believing the relationship is doomed anyway.
Speechless, Priya walks away from the conversation, leaving Leonard with her disappointed parents. He makes small talk and quickly ends the call. Season 5 Priya returns to India and despite parental dissent and physical distance, they continue their relationship with dinner dates and foreplay on Skype though their video chats are disasters, as Leonard proves to be very awkward at them.
Morning with Leonard and Priya. It's not easy staying loyal. Leonard has a moral crisis in " The Good Guy Fluctuation " where he gets Alice 's number at the comic book store. Later at Leonard's apartment, they share comic-con memorabilia and make out. Feeling torn between Alice and Priya, Leonard asks Penny for advice. She states he can't make everyone happy regardless of his choice.
Still feeling unsure, Leonard asks Sheldon 's guidance. He posits Nietzsche's idea that morality is a fiction used by the inferior to hold back the superior. Taking it to heart, Leonard chooses Alice and leaves for her apartment. After they make out again, he changes his mind and affirms his loyalty to Priya. Alice calls him a jerk and kicks him out. Leonard, disappointed about Alice, but reassured about Priya, returns home, calls Priya, apologizes for making out with Alice and promises it won't happen again.
Priya quickly forgives him by stating all humans make mistakes. Leonard probes her reasoning. Cringing, she admits to sleeping with her ex probably Sanjay, mentioned to be Skyping with her in " The Zarnecki Incursion " a few weeks ago and concludes it's not a contest. Leonard disagrees saying that it is and she won and ends the call. In the next episode, Leonard refers to himself as single, implying that he broke up with Priya afterwards.
Later, Leonard starts dating Penny again confirming the break-up. Priya was briefly mentioned again in " The Recombination Hypothesis " when Raj mentions that Leonard defiled his sister, though he only mentioned this in Leonard's daydream.
Season 10 Priya is not seen in this season, however she is mentioned twice. She is first mentioned in " The Brain Bowl Incubation " when Raj mentions to a woman that his sister is a lawyer. She is also mentioned again in " The Allowance Evaporation " when Raj's father says that 5 of his 6 children are married and self-sufficient, which reveals that Priya is now married. Personality Priya is an intelligent lawyer, being certified to practice law in different countries.
She shows interest in literature and activities such as roller skating. At first she had little interest in dating, as she twice rebuffed Leonard's attempts to date her, but later changed her mind.
Priya displays cunning when she unravels the original Roommate Agreement, though she admits defeat when Sheldon blackmails her and Leonard. She does not have much patience with geekish things, such as when Leonard spent more time playing a game than he did her. Later, he had to claim he was working late so he could help Sheldon with a problem that had come up, knowing she would not be happy about the truth.
She also made a lot of demands from Leonard, ranging from the clothes he wore to his relationship with his ex-girlfriend Penny.