How Many Series In Big Bang Theory <99% PLUS>

: Focused on the core group of Sheldon, Leonard, Penny, Howard, and Raj, establishing their group dynamic and the "on-again, off-again" tension between Leonard and Penny.

| Series | Years | Episodes | |--------|-------|----------| | 1 | 2007–2008 | 17 | | 2 | 2008–2009 | 23 | | 3 | 2009–2010 | 23 | | 4 | 2010–2011 | 24 | | 5 | 2011–2012 | 24 | | 6 | 2012–2013 | 24 | | 7 | 2013–2014 | 24 | | 8 | 2014–2015 | 24 | | 9 | 2015–2016 | 24 | | 10 | 2016–2017 | 24 | | 11 | 2017–2018 | 24 | | 12 | 2018–2019 | 24 |

As of 2026, the Big Bang Theory franchise consists of , spanning over 19 years of broadcast history. 1. The Big Bang Theory (2007–2019) how many series in big bang theory

If you are asking strictly about the original show featuring the main ensemble cast (Penny, Leonard, Sheldon, etc.), there are .

Kevin Sussman (Stuart), Lauren Lapkus (Denise), and Brian Posehn (Bert) are attached to star . : Focused on the core group of Sheldon,

Over its 12-year run from 2007 to 2019, the show aired a total of , becoming the longest-running multi-camera sitcom in television history. Series Breakdown

The sitcom The Big Bang Theory ran for in total, according to Wikipedia and IMDb . The Big Bang Theory (2007–2019) If you are

: Successfully introduced Amy Farrah Fowler and Bernadette Rostenkowski as main characters, shifting the show toward couple-driven storylines.

While the main series has ended, the franchise continues with several spin-offs and related projects: Young Sheldon

The decision came from star (Sheldon Cooper), who felt it was time to move on to new creative challenges. Rather than continue without its most iconic character, the producers chose to end the show on a high note. The finale aired to critical acclaim and strong ratings, bringing the series full circle with emotional callbacks and the long-awaited moment when Sheldon finally won a Nobel Prize.

The newest addition to the franchise is a sequel series currently in development for . This show shifts the focus back to Pasadena and follows fan-favourite supporting characters.