Jim and Georgie question Mandy's spending habits in a new sneak peek at Georgie & Mandy's First Marriage. Watch it now.

Thus, the Young Sheldon finale sets the background for Mary Cooper's strong religious beliefs in The Big Bang Theory. After George Sr.'s death and Sheldon's move to Caltech, Mary Cooper turned towards ...

Mary Cooper, Sheldon's deeply religious and God fearing mother, appeared in both Young Sheldon and the popular sitcom The Big Bang Theory (TBBT).