It's been seven years since Young Sheldon first premiered, and many of the cast has grown up right before our eyes. Introduced in Season 2, Episode 2, titled “A Rival Prodigy and Sir Isaac ...

M cKenna 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 i ...