Why was Paige from Young Sheldon never mentioned in The Big Bang Theory? Theories and speculations, explored

Mckenna Grace (Paige
Mckenna Grace (Paige's Actress) ( Image via Instagram / @mckennagraceful )

The absence of Paige Swanson on The Big Bang Theory left all but the most loyal Young Sheldon viewers questioning why such a central character in Sheldon's adolescence was never mentioned in the parent series. While she is portrayed as one of Sheldon's most similarly intelligent classmates, Paige's story remains confined to Young Sheldon, causing speculation about her final fate. Although the makers of The Big Bang Theory never explicitly commented on this lack, several theories describe the character's absence and its implications for the overall plot.

The most probable reason is that Paige just fell out of Sheldon's life before the events of The Big Bang Theory. With her family issues and defiance of academic expectations in Young Sheldon, she probably took a different path—one that never intersected with Sheldon's Pasadena life. Her character might have also been deliberately excluded from The Big Bang Theory in the interest of narrative convenience, instead focusing on the relationships that defined Sheldon's adult life.


Theories on Paige's Absence in The Big Bang Theory

Paige's Possible Exit from Academia

One of the most popular theories is that Paige did not become a scientist or academician, which is why she never showed up again in Sheldon's adulthood. In contrast to Sheldon, whose strict adherence to physics characterized his adult life, Paige had glimpses of intellectual disillusionment in Young Sheldon.

Her conflict with family life, with her increasing lack of interest in studies, could have taken her away from a profession that would have brought her to Sheldon's life.

Narrative Constraints and Retconning

The other reason is narrative constraints. The Big Bang Theory was created many years ago when Young Sheldon brought Paige into the show, so it is conceivable that her character was added later and did not mesh perfectly with the pre-existing narrative.

As TBBT focused on Sheldon's interactions with Leonard, Penny, Amy, and his colleagues, introducing a new childhood friend could have complicated the existing dynamic between characters.

Paige's Possible Personal Struggles

Throughout Young Sheldon, Paige is depicted facing emotional and family challenges, which might have resulted in an eventual drifting apart from Sheldon. If her struggles became more intense over time, she may have isolated herself from the academic world or consciously kept herself away from Sheldon.

As Sheldon tends to talk about his childhood in terms of his own life and not that of his friends, he might not have ever spoken about her because she was not an important figure in his adult life.

Creative Choices of the Authors

On the production level, Paige not being on The Big Bang Theory can be attributed to the writers making creative choices. Introducing an unknown character at that point in Sheldon's back story would have required a considerable amount of retconning to contradict the previously established continuity on TBBT.

The plot of Paige may have only been developed to exist for Young Sheldon without the consideration of transitioning her into the adult life of Sheldon.


Although The Big Bang Theory never recognized Paige, her presence enriches Sheldon's childhood in Young Sheldon by providing a unique intellectual equal who pushed him in ways that few others were able to. Speculation about her absence includes personal issues and professional decisions, as well as artistic choices by the showrunners.

Whatever the explanation, Paige is an intriguing but mysterious figure in Sheldon Cooper's history, leaving viewers to wonder about the unwritten books of her life.

Also read:

What happened to Paige in The Big Bang Theory?

Why did Paige leave Young Sheldon? Reason behind Mckenna Grace's exit, explored

Edited by Zainab Shaikh
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