Sheldon Cooper and Jim Parsons Both Shared An Allergy, Until It Caused A Big Bang Theory Plot Hole

Sheldon Cooper and Jim Parsons Both Shared An Allergy, Until It Caused A Big Bang Theory Plot Hole

Did you know that in “The Big Bang Theory,” Sheldon’s allergy to cats caused a major plot hole? It turns out that Sheldon Cooper and the actor who plays him, Jim Parsons, both shared an allergy to cats until it became a confusing detail in the show. As the series evolved, this inconsistency became more noticeable to fans.