The Big Bang Theory Wiki
The Big Bang Theory Wiki

A Rival Prodigy and Sir Isaac Neutron is the second episode of the second season of the American sitcom Young Sheldon. The episode aired on September 27, 2018.


When Dr. Sturgis bonds with Paige Swanson, another 10-year-old genius, Sheldon's jealousy leads Meemaw to intervene. Also, Mary invites Paige's family over for a play date.[1]

Extended Plot

Sheldon is joined in John's physics class by Paige, who is slightly smarter and younger than he is, causing him to be jealous. Paige and her family visit the Coopers. Her parents begin bickering after talking with George and Mary about raising a gifted child, Sheldon is still jealous of Paige, but Missy and Georgie like her older sister. John learns that he must not praise Paige too much in front of Sheldon.





  • Andrea Anders as Linda
  • Josh Cooke as Barry
  • Ella Anderson as Erica
  • McKenna Grace as Paige Swanson


  • Sheldon reveals his birthday as February 26.
    • Jim Parsons would have technically been the same age as the high school students Sheldon went to school with.
  • Mary doesn't have any friends. The only person she talks to Meemaw.
  • Just like Sheldon he doesn't have any friends either, because everyone hates him. His only friend is Tam Nguyen.
  • Sheldon avoids Tam, but Tam actually avoids Sheldon.
  • Barry and Linda's relationship is similar to George and Mary Cooper.