- The idea for the documentary was conceived in 2019, and filming began in June 2020.
- On May 4, 2022, it was announced that Reggie Jackson would be the subject of a documentary.
- Hank Aaron who appears throughout most of this documentary, passed away in January 2021, almost two years before it first aired.
- Reggie was released on Amazon Prime Video on March 24, 2023.