How Many Series Of The Big Bang Theory Are There May 2026

If someone tells you there are 13 series, they are either confusing a spin-off, counting the failed pilot, or referring to a regional broadcast split. The definitive, creator-approved answer is:

The Big Bang Theory (often abbreviated TBBT) is one of the most successful sitcoms of the 21st century. Created by Chuck Lorre and Bill Prady, it premiered on CBS in 2007 and ran for 12 seasons (known as "series" in UK/Commonwealth English) before concluding in 2019. how many series of the big bang theory are there

No. All countries aired 12 seasons. However, some countries (e.g., Japan, Germany) split a single US season into two shorter “series” for broadcast. But on streaming and DVD, it’s always 12. Final Summary | Question | Answer | |----------|--------| | How many series of The Big Bang Theory ? | 12 | | Total episodes | 279 | | Last series aired | 2019 | | Spin-offs (canon) | Young Sheldon (7 series), Georgie & Mandy (ongoing) | | Will there be more? | No (main show ended permanently) | If someone tells you there are 13 series,

However, a comprehensive guide requires nuance: episode counts, special classifications (e.g., "season zero"), the spin-off ( Young Sheldon ), and why the show ended after 12 series despite record-breaking ratings. Here is every series (season) of The Big Bang Theory , including episode counts, original air dates, and notable plot arcs. But on streaming and DVD, it’s always 12

As of 2026, no. Jim Parsons has repeatedly stated he won’t return as Sheldon full-time. He did reprise the role for a voice cameo in Young Sheldon finale.

Series 1, Episode 1 (“Pilot”). But many fans skip Series 1 due to rough audio and different characterizations (Sheldon is meaner, Penny less warm).