When does Georgie & Mandy's First Marriage return?

The series follows the marriage of Georgie Cooper and Mandy McAllister in the fictional town of Medford, Texas in the 1990s. It is the third television series in The Big Bang Theory franchise and a direct sequel to the coming-of-age sitcom Young Sheldon.
The series follows Sheldon Cooper's early life as a child prodigy in Medford, Texas. As he grows up, he tries to fit into a world of people, including his own family and friends, who struggle to cope with his intellectual capabilities.