Summary
- Sheldon is central to the appeal of The Big Bang Theory and his popularity made it impossible to imagine the series without him.
- The episode "The Cooper Extraction" explored what the gang's life would be like without Sheldon, but cutting him limited the episode's potential and received mixed reviews.
- Sheldon, along with Leonard, Raj, and Howard, is one of the only characters to appear in every episode of The Big Bang Theory, and the show's focus shifted more towards Sheldon's story as it progressed.