Since then, more spinoffs have premiered, further growing the Big Bang universe. The latest spinoff, Stuart Fails to Save the Universe, is turning Big Bang into a multiverse, which is likely going to lead to some epic cameos and potentially pave the way for more spinoffs in the future.

The “Big Bang Theory” spinoff “Stuart Fails to Save the Universe” just killed off a beloved character from the original series. Kunal Nayyar made a surprise cameo in episode 1 of “Stuart Fails to Save the Universe,

Night Court doesn’t return to NBC for its third season until November 19th, but the series has already revealed that its next big guest star is a beloved Big Bang alum. Bialik is set to guest star early in Season 3 as a fictional version of herself.

Creator Chuck Lorre and author Jessica Radloff discuss 'The Big Bang Theory: The Definitive, Inside Story of the Epic Hit Series.' As The Big Bang Theory celebrates its 15th anniversary, a new tell-all book is peeling back the curtain on never-before-heard ...

Mayim Bialik series Call Me Kat is set to get another Big Bang Theory reunion in season 3 with the addition of a new co-showrunner. The successful Fox sitcom has marked Bialik's first major comedy role since The Big Bang Theory came to an end three years ago.

The hit sitcom premiered on CBS on Sept. 24, 2007, with a core cast of five actors: Jim Parsons, Johnny Galecki, Kaley Cuoco, Simon Helberg and Kunal Nayyar. By season 4, the ensemble grew when Mayim Bialik and Melissa Rauch were promoted to full-time series regulars.