The Big Bang Theory Spinoff: Chuck Lorre's Involvement, Cast & Everything We Know

A new spinoff for The Big Bang Theory is currently in the works at Warner Bros, and while much remains a mystery, there are still several details already revealed. As Young Sheldon proved, shows like The Big Bang Theory are essentially the perfect formula for spinoff projects, with their wide cast of characters that audiences will always want to know more about, whether that’s in the future or the past. Although it’s unclear who the protagonist of this new spinoff is going to be, there are countless options from the original show that could be great.

Young Sheldon was the first spinoff in the Big Bang Theory universe, and was a huge success both critically and commercially. The show follows a younger version of The Big Bang Theory’s Sheldon Cooper as he navigates teenage life and learns to find his place in a world that’s often unwilling to accept him. Despite displaying a different tone from the original sitcom, the show had great ratings and did a good job of enriching the history of this character. It is likely that The Big Bang Theory spinoff will be able to do the same for another character.

2:38 Related The Big Bang Theory's 3rd Spinoff Must Avoid The Most Harmful Problem Of Young Sheldon's Premise The Big Bang Theory's upcoming third spinoff can still avoid the biggest canon problem that plagued Young Sheldon and its forthcoming follow-up.

The Big Bang Theory TV Spinoff Latest News

The First Cast Members Sign On

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Though news was scant regarding the spinoff throughout most of 2024, the latest update sees the first cast members join The Big Bang Theory spinoff. Despite the fact that the series hasn't been given the green-light yet, Kevin Sussman, Brian Posehn, and Lauren Lapkus have all signed on to reprise their roles from TBBT. Sussman appeared as comic book store owner Stuart Bloom throughout the original series, while Posehn appeared as CalTech professor Bert Kibbler for 15 episodes. Finally, Lapkus played Denise, the assistant manager at Stuart's comic book store, and his eventual girlfriend as well.

The spinoff is in development for Max, but hasn't scored a green-light yet.

The Big Bang Theory Spinoff Is Not Confirmed Yet

The Spinoff Might Not Be Happening

It's evident that Lorre and the rest of the team behind the franchise are taking their time to craft the perfect spinoff instead of simply rushing another show into production.

The existence of another Big Bang Theory spinoff was officially announced on April 12, 2023, just as Young Sheldon was approaching the end of its sixth season (via Screen Rant). Almost nothing was given away regarding the show’s story or cast, but the most important information was that Chuck Lorre would be returning to oversee the project. However, Lorre walked back the previous announcement in November 2023, when he made it clear that no plan was in the works. How the misinformation was spread is unclear, but the fate of the Big Bang Theory spinoff is unclear at this point.

Lorre would again contradict himself when, in July 2024, he mentioned that the spinoff of The Big Bang Theory was still in the earliest stages of development. Eventually, cast members began signing on for the spinoff in October 2024, but details still remain scant. Even with the project being slowly developed, there's no guarantee that it will ever actually get green-lit. It's evident that Lorre and the rest of the team behind the franchise are taking their time to craft the perfect spinoff instead of simply rushing another show into production.

The Big Bang Theory TV Spinoff Cast

Three Original Stars Are Already Signed On

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The cast of The Big Bang Theory’s upcoming spinoff remains largely unknown, but it’s likely that some of the original main cast members will be reprising their roles. Supporting actor Kevin Sussman has signed on to reprise his role as comic book shop owner Stuart Bloom, and he's joined by Lauren Lapkus as the store's assistant manager and Stuart's girlfriend, Denise. Furthermore, Brian Posehn will be back as CalTech professor Bert Kibbler.

The cast list suggest the spinoff will take place after the events of the original series, and characters such as Stuart, Howard, and Raj make the most obvious candidates to return. Their humor could easily lead the series forward, and it would give viewers a chance to learn more about the main cast without tampering withe original series' continuity.

The confirmed cast includes:

Actor Big Bang Theory Spinoff Role Kevin Sussman Stuart Bloom Lauren Lapkus Denise Brian Posehn Bert Kibbler

The Big Bang Theory TV Spinoff Story Details

What Could Happen In The Big Bang Theory Spinoff?

The Big Bang Theory Franchise Project Release Years # of Seasons The Big Bang Theory 2007-2019 12 Young Sheldon 2017-2024 7 Georgie & Mandy's First Marriage 2024-Present 1 Untitled Big Bang Theory Spinoff N/A N/A

Using the conclusion of the original sitcom as a frame of reference, there are certain characters and storylines that seem more likely to make an appearance than others. The show’s main characters, such as Sheldon, Amy, and Leonard, had their arcs concisely wrapped up in the final episode, so it’s unlikely that there’s enough material there to lead an entire TV show (particularly if Lorre wants his project to run for several seasons as Young Sheldon did). Therefore, it would have to focus on an area of the show that was left somewhat open-ended.

One option could be a project focused on Howard and Raj, as they’ve often been the comedic duo at the center of the show. Many fans were also dissatisfied with the way Raj’s story concluded in the show’s finale, as he was robbed of the happy ending that he’d always been searching for. Making him the protagonist of the spinoff could offer him an opportunity to find his person, doing justice to his character, and providing plenty of laughs along the way. This would also open the door for several other The Big Bang Theory cast members to appear.