For example, "Young Sheldon" introduces us to another child prodigy in the form of Paige Swanson (Mckenna Grace), who's Sheldon's intellectual rival and first crush. She's a memorable part of ...

McKenna Grace's Paige Swanson doesn't show up on "The Big Bang Theory." The character debuted on "Young Sheldon" after the flagship show aired its final episode, so her absence is completely ...