Best Episodes
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 show’s long run, it’s no surprise that it has featured some truly outstanding episodes over the years. In this article, we’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 dec 04, 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!
Sheldon and Leonard must divide up their possessions and remove Penny's things from 4B. Meanwhile, Koothrappali and Stuart fight to be the most helpful during Bernadette's final weeks of pregnancy.
The episode was rated 7.60 from 9524 votes.
Sheldon beta-tests an MIT invention after hearing it can help him read people's emotions. Also, Leonard can't hide his feelings when Penny announces her brother is coming to town, and Raj invites his ex-girlfriends over to give him dating advice.
The episode was rated 7.61 from 9387 votes.
Sheldon can't keep up with the late nights Howard and Leonard are putting in and must resort to ingesting energy drinks to stay awake. Elsewhere, Raj spends the day with a pregnant Bernadette, while Penny and Amy attend a faculty party.
The episode was rated 7.63 from 9247 votes.
Leonard and Penny must separate a quarreling Sheldon and Amy when their cohabitation does not go as planned, and Sheldon threatens to break off their relationship when Amy refuses to adhere to the bathroom schedule. Also, Howard and Bernadette find unexpected guests at their house when they decide to stay home from a planned vacation.
The episode was rated 7.64 from 9396 votes.
The Air Force shows interest in the guidance system the guys are building and Penny lets it slip at work that Bernadette is expecting.
The episode was rated 7.66 from 9589 votes.
Penny is surprised to learn she has fans of her performance in "Serial Ape-ist" when she attends Van Nuys Comic Con with Leonard. Also, Amy hosts a Sheldon-style brunch at Penny’s apartment, and Wolowitz makes an impulsive purchase when he starts stressing out about the baby on the way.
The episode was rated 7.67 from 9456 votes.
When Bert, a Caltech geologist, wins the MacArthur Genius fellowship, Sheldon is overcome with jealousy. Also, Wolowitz finds an old remote control Stephen Hawking action figure he invented.
The episode was rated 7.68 from 9414 votes.
After Leonard's father, Alfred and Sheldon's mother, Mary share an evening together, everyone deals with an awkward morning the following day. Also, Penny's family arrives for the ceremony, including her anxiety-ridden mother, Susan, and her drug dealing brother, Randall.
The episode was rated 7.69 from 10411 votes.
The guys' annual trip to Comic Con is in doubt when Raj can't afford to go and an unexpected replacement is considered.
The episode was rated 7.73 from 9665 votes.
Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley.
The episode was rated 7.73 from 9389 votes.
Amy's desire to have an intimate night with Sheldon on her birthday is interrupted by Bernadette going into labor.
The episode was rated 7.74 from 9638 votes.
In order to continue living with Sheldon, Amy lies to him about repairs being made to her apartment and they host an "on location" episode of "Fun With Flags" in Penny’s apartment. Also, Leonard lets Penny decorate Sheldon’s old room after he learns that she has been secretly moving Leonard’s collectibles into storage.
The episode was rated 7.80 from 9406 votes.
When Amy's apartment floods, she proposes a "cohabitation experiment" with Sheldon. Also, Howard and Bernadette are upset when Koothrappali learns the gender of the baby before they do.
The episode was rated 7.84 from 9401 votes.
After a successful experiment combining their genes, Sheldon will stop at nothing to convince Amy they should procreate. Also, Koothrappali is embarrassed to tell the gang what the new woman he’s dating does for a living.
The episode was rated 7.91 from 9710 votes.
On the latest episode of The Big Bang Theory, the gang is concerned when Sheldon’s former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton. It was a jaw dropping moment that left viewers of the show in disbelief. In this episode, Sheldon really hit it and viewers were delighted by the outcome.
Overall, this episode was an absolute success with viewers. Many commented that it was the best one ever, and they truly enjoyed it. The episode had plenty of shock value, but was also an enjoyable episode overall. Even those that don’t normally like the show liked this episode, making it a great success.
The episode was rated 8.19 from 9432 votes.
