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 ...

From "The Staircase Implementation" to "The Opening Night Excitation," these are the funniest episodes of The Big Bang Theory ...

Penny was originally going to be Katie, played by Amanda Walsh, but audiences felt she was too mean of a character that ...