How Many Series Of The Big Bang Theory Are There _best_ ⚡ Pro

If you’re asking about (the term used outside North America for a full season’s worth of episodes), the direct answer is:

Series 1, Episode 1 (“Pilot”). But many fans skip Series 1 due to rough audio and different characterizations (Sheldon is meaner, Penny less warm). how many series of the big bang theory are there

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. If you’re asking about (the term used outside

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. Jim Parsons has repeatedly stated he won’t return

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: