The Big Bang Theory

10 Best Episodes of The Big Bang Theory - Season 6

The Big Bang Theory, which aired on CBS from 2007 to 2019, is one of the most popular sitcoms of all time. The show centers on five characters living in Pasadena, California and features the geekiness and intellect of Leonard Hofstadter, Sheldon Cooper, Howard Wolowitz and Raj Koothrappali contrasted with the common sense and social skills of Penny. With 13 seasons of content, fans have plenty of episodes to choose from. Here we will rank the best episodes of The Big Bang Theory and discuss why they are so popular.

The Big Bang Theory is renowned for its clever writing and witty dialogue. The show explores a variety of topics, ranging from relationships and romance to science and technology. It also features a number of recurring jokes and cultural references. All of these elements combine to make The Big Bang Theory an entertaining and memorable show.

Given the showโ€™s long run, itโ€™s no surprise that it has featured some truly outstanding episodes over the years. In this article, weโ€™ll be taking a look at some of the best episodes of The Big Bang Theory and discussing why they are so highly ranked. From heartfelt moments to laugh-out-loud comedy, these episodes are sure to please any fan of the show.

Written by Sophie and last updated on jul 14, 2024.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

The Big Bang Theory - S6E14

#15 - The Cooper/Kripke Inversion (Season 6 - Episode 14)

Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke; Raj and Howard buy expensive action figures of themselves.

The episode was rated 8.02 from 3188 votes.

The Big Bang Theory - S6E18

#14 - The Contractual Obligation Implementation (Season 6 - Episode 18)


Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers; Raj plans a date with Lucy.

The episode was rated 8.04 from 3230 votes.

The Big Bang Theory - S6E22

#13 - The Proton Resurgence (Season 6 - Episode 22)

Leonard and Sheldon hire the host of their favorite childhood TV show to perform for them; Bernadette and Howard run into trouble while dog-sitting for Raj's pet.

The episode was rated 8.04 from 3667 votes.

The Big Bang Theory - S6E15

#12 - The Spoiler Alert Segmentation (Season 6 - Episode 15)


A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements; while Howard is away, Raj helps Mrs. Wolowitz out.

The episode was rated 8.05 from 3314 votes.

The Big Bang Theory - S6E4

#11 - The Re-Entry Minimization (Season 6 - Episode 4)

Wolowitz's return from space isn't all he expected; game night becomes a gender war.

The episode was rated 8.07 from 3522 votes.

The Big Bang Theory - S6E9

#10 - The Parking Spot Escalation (Season 6 - Episode 9)


Sheldon and Wolowitz's fight over a parking spot at the University impacts the whole gang.

The episode was rated 8.10 from 3299 votes.

The Big Bang Theory - S6E8

#9 - The 43 Peculiarity (Season 6 - Episode 8)

Raj and Howard try to to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.

The episode was rated 8.10 from 3422 votes.

The Big Bang Theory - S6E24

#8 - The Bon Voyage Reaction (Season 6 - Episode 24)


In The Big Bang Theory episode "The Bon Voyage Reaction," Leonard is given the opportunity to go on an exciting research project. This leaves Sheldon feeling jealous and he does his best to scare Leonard into backing out. At the same time, Raj's relationship with Lucy is tested when he tries to get her to meet his friends. It is a major moment for Raj, who has been unable to talk to women since the show began.

In this episode, Raj manages to talk to a woman without the aide of alcohol, which is a major milestone for the character. This is something that fans of the show have been waiting for and is a major moment for the show. It is a testament to the growth of Raj's character and his newfound confidence. It is a major moment for the show and a great episode overall.

The episode was rated 8.13 from 4031 votes.

The Big Bang Theory - S6E19

#7 - The Closet Reconfiguration (Season 6 - Episode 19)

In the episode "The Closet Reconfiguration" of The Big Bang Theory, Howard considers whether or not he should open a letter from his father while Sheldon cleans his closet. Meanwhile, Penny and Leonard host a "grown-up" cocktail party.

The story of Howard's father is a touching one. The gang decides to tell him a part of the truth each. Sheldon had already told everyone else the truth, so they decide he will lie to throw Howard off the fact the rest will be mostly true. Raj wishes Howard a Happy Birthday, Amy congratulates him on graduating high school and explains that his father had to leave to protect them from other things going on in his life. Leonard's part is to remind Howard of how important family is and how he hopes his son won't make the same mistakes he did. Bernadette's part is to include a picture of his dad with him as a baby, with a message of his love on the back.

The episode was rated 8.13 from 3418 votes.

The Big Bang Theory - S6E12

#6 - The Egg Salad Equivalency (Season 6 - Episode 12)


In the episode "The Egg Salad Equivalency" of the popular TV show The Big Bang Theory, Sheldon is accused of sexual harassment and the repercussions of his actions leads to a chain reaction that affects Leonard, Raj, and Wolowitz. After the accusation, Sheldon is forced to attend a seminar on sexual harassment, which leads to him to making some unforgettable mistakes that ultimately puts his friends in hot water.

This episode of The Big Bang Theory was really funny and had the audience laughing out loud. Viewers watched as Sheldon's naivety led to some of the funniest moments of the show. From Sheldon's awkward and misguided seminar comments to his friends' reactions to the situation, this episode was sure to leave anyone in stitches. This episode of The Big Bang Theory was a perfect mix of comedy, awkwardness, and relatability.

The episode was rated 8.13 from 3433 votes.

The Big Bang Theory - S6E13

#5 - The Bakersfield Expedition (Season 6 - Episode 13)

In the episode "The Bakersfield Expedition" of the popular show The Big Bang Theory, the guys go on a road trip to a comic book convention wearing costumes. Meanwhile, the ladies stay home and attempt to interpret a comic book. This episode is filled with hilarious moments, such as the revelation that the four US state capitals not served by the interstate highway system are Juneau, Alaska; Dover, Delaware; Jefferson City, Missouri; and Pierre, South Dakota.

The show also brings a unique style to this episode, as Sheldon looks surprisingly good with his new hairstyle. This becomes a humorous point of contention between the characters, adding to the lighthearted atmosphere of the episode. Overall, this episode of The Big Bang Theory is a classic, with a unique combination of humor, trivia, and even a little bit of style.

The episode was rated 8.15 from 3250 votes.

The Big Bang Theory - S6E10

#4 - The Fish Guts Displacement (Season 6 - Episode 10)


In episode 15 of The Big Bang Theory, "The Fish Guts Displacement," Sheldon and Amy's relationship is put to the test. When Amy gets sick, Sheldon attempts to take care of her, but soon discovers it's not an easy task. He struggles to take care of her, but manages to find the right balance between being supportive and not overbearing. Meanwhile, Wolowitz and his father-in-law plan a fishing trip and have a heart-to-heart discussion about their relationship.

This episode highlights the importance of communication in relationships. Sheldon and Amy are both trying to navigate their relationship, and Wolowitz and his father-in-law are learning to understand each other better. It is interesting to see how both couples are able to work through their issues and come out stronger in the end. This episode also shows how important it is to take care of the people we love and to be patient with them, even in difficult times.

The episode was rated 8.16 from 3395 votes.

The Big Bang Theory - S6E20

#3 - The Tenure Turbulence (Season 6 - Episode 20)

In the episode of The Big Bang Theory titled "The Tenure Turbulence", Leonard, Sheldon and Raj all compete for tenure at the University. The girls get involved and try to help out in the situation. This episode focuses on the friendship between the four characters and shows how they support each other in difficult times.

This episode is full of comedy, as Leonard and Sheldon compete to win tenure and Raj finds himself stuck in the middle. Each of the characters has their own unique perspective on the situation, providing plenty of humorous moments. Meanwhile, the girls try to help their friends and their banter is just as funny. The episode is a great example of how the show balances comedy and drama in a way that's enjoyable to watch.

The episode was rated 8.17 from 3883 votes.

The Big Bang Theory - S6E23

#2 - The Love Spell Potential (Season 6 - Episode 23)


The episode of The Big Bang Theory titled "The Love Spell Potential" focuses on Amy and Sheldon's relationship, as well as Lucy and Koothrappali's awkward date. In the episode, the group plays a game of Dungeons & Dragons, which leads to a surprising new development in Amy and Sheldon's relationship.

Viewers were excited to see the group playing Dungeons & Dragons, with many commenting on Howard's amazing effects and the others' voices. However, some viewers felt that Penny ruined the game from the beginning, as they felt she was trying to get the others to engage in activities she enjoyed, without putting in the effort to understand them. The episode was filled with surprises and excitement, ultimately leading to a new development in Amy and Sheldon's relationship.

The episode was rated 8.21 from 3949 votes.

The Big Bang Theory - S6E21

#1 - The Closure Alternative (Season 6 - Episode 21)

In the Big Bang Theory episode "The Closure Alternative," Sheldon's favorite TV show is unexpectedly canceled, leaving him with an unresolved feeling of incompleteness. After much prodding from his friends, Sheldon finally turns to Amy for help in finding closure. She tries to help him find closure by suggesting that he rewatch the series finale, as that would provide him with a sense of finality. Unfortunately, Sheldon's compulsive need for closure leads him to search for alternative endings, which only aggravates him further.

Meanwhile, Raj discovers a secret about Lucy that throws a wrench in his plans. He had been planning to ask her out, but now must consider the possibility that she may not be single. Raj is left to decide whether to confront Lucy about her secret or leave it alone and move on. Ultimately, Raj chooses to leave it be, as he is not sure if he really wants to know the truth. In the end, the episode serves as a reminder to embrace the little moments in life and realize that some things don't need closure.

The episode was rated 8.21 from 3960 votes.

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