The 2025 TV schedule is rolling right along, but the new shows that we get this year will be absent from regular appearances by one major figure: Sheldon Cooper. After being introduced on The Big Bang Theory in 2007 and then leading his own prequel spinoff, Young Sheldon, through that show’s finale in early 2024, the ever-popular character’s (mis)adventures won’t be shown for all to follow. This means we likely won’t be introduced to any more of his famed quirks, like his adult propensity for knocking three times. But, while we all know why Sheldon did that, I’m really loving the writer’s hilariously simple origin story for the trait.
