With 12 seasons from 2007 to 2019, The Big Bang Theory is one of the most beloved and influential TV sitcoms of the modern era. The show changed a lot throughout the years, but it stayed true to its quirky and unique premise: four geeks spending time together.

However, people also see the characters evolve and become the best versions of themselves throughout hundreds of outstanding episodes. Still, some episodes are way better than others. These episodes have become memorable because of their extremely amusing scenes, heartwarming moments, and outstanding sitcom writing.

Updated on December 21, 2024, by Andrea Sandoval: With over a decade in the medium, The Big Bang Theory is considered one of the best modern TV sitcoms. With two spin-offs on the air, this series has become a cultural phenomenon for the genre. For those who like to rewatch the series, we updated this article to include even more of the...