The final significant plot hole involving Sheldon from The Big Bang Theory is filled in the Young Sheldon finale. It's no secret that there are a ton of narrative contradictions in the continuity between The Big Bang Theory and Young Sheldon. With different storylines over the years, the prequel has contradicted its parent series, and there was even a belief that it was set in another reality. Even Annie Potts is displeased with Young Sheldon's demise, since the writers maintain that they ultimately share the same world and that's why the successful character had to go.