On Tuesday, March 21st, 2017, it was announced that The Big Bang Theory will be renewed for two more seasons after Season 10, which means there will be a Season 11 and a Season 12. From comments by the cast members, season twelve will probably be the last TBBT season.
- Johnny Galecki as Leonard Hofstadter (TBD/24)
- Jim Parsons as Sheldon Cooper (TBD/24)
- Kaley Cuoco as Penny Hofstadter (TBD/24)
- Simon Helberg as Howard Wolowitz (TBD/24)
- Kunal Nayyar as Rajesh Koothrappali (TBD/24)
- Mayim Bialik as Amy Farrah Fowler (TBD/24)
- Melissa Rauch as Bernadette Rostenkowski-Wolowitz (TBD/24)
- Kevin Sussman as Stuart Bloom (recurring/main cast) (TBD/24)
|Title||Original Air Date||Directed By||Description|
|256||1201||TBA||September 24, 2018||Mark Cendrowski||TBA|
|257||1202||TBA||September 27, 2018||Mark Cendrowski||TBA|
|258||1203||TBA||October 4, 2018||Mark Cendrowski||TBA|
|259||1204||TBA||October 11, 2018||Mark Cendrowski||TBA|
|260||1205||TBA||October 25, 2018||Mark Cendrowski||TBA|
|261||1206||TBA||November, 2018||Mark Cendrowski||TBA|
|262||1207||TBA||November, 2018||Mark Cendrowski||TBA|
|263||1208||TBA||November, 2018||Mark Cendrowski||TBA|
|264||1209||TBA||November, 2018||Mark Cendrowski||TBA|
|265||1210||TBA||December, 2018||Mark Cendrowski||TBA|
|266||1211||TBA||December, 2018||Mark Cendrowski||TBA|
|267||1212||TBA||January, 2019||Mark Cendrowski||TBA|
|268||1213||TBA||January, 2019||Mark Cendrowski||TBA|
|269||1214||TBA||February, 2019||Mark Cendrowski||TBA|
|270||1215||TBA||February, 2019||Mark Cendrowski||TBA|
|271||1216||TBA||February, 2019||Mark Cendrowski||TBA|
|272||1217||TBA||February, 2019||Mark Cendrowski||TBA|
|273||1218||TBA||March, 2019||Mark Cendrowski||TBA|
|274||1219||TBA||March, 2019||Mark Cendrowski||TBA|
|275||1220||TBA||April, 2019||Mark Cendrowski||TBA|
|276||1221||TBA||April, 2019||Mark Cendrowski||TBA|
|277||1222||TBA||April, 2019||Mark Cendrowski||TBA|
|278||1223||TBA||May, 2019||Mark Cendrowski||TBA|
|279||1224||TBA||May, 2019||Mark Cendrowski||TBA|
- Amy's parents could return to appear again this season after they attended Sheldon and Amy's Wedding. It has been confirmed they will appear in an episode this season.
- Amy and Sheldon will start their first year as a married couple.
- Some of the gang could be moving by year's end though that has not been confirmed..
- Season 12 could be the final TBBT season, unless the creators plan on making a Season 13 or CBS convinces them.
- Tam Nguyen has been confirmed to appear in an episode this season, and Sheldon will reveal the reason he has not been throughout the first 11 seasons.
- Mary Cooper may return this season, but this has not been confirmed.
- Sheldon and Amy's honeymoon is confirmed to be happening in the premiere episode.