The Vatican released a trailer of "Leo from Chicago" this week. It features his brothers Louis and John.
The documentary will feature the life of then-Robert Prevost in Dolton.
And the Vatican did not leave behind Pope Leo's favorite Aurelio's Pizza and his love for the Chicago White Sox.
SEE ALSO | Aurelio's announces new 'Poperoni Pizza' after Pope Leo's visit.
The film will also talk about the pope's journey to serve in Peru.
"Moreover, it shows a young man who entered the path of discernment to join the Order of St. Augustine, who pursued studies in mathematics and theology, forming authentic bonds with fellow students and engaging in initiatives to protect life," the Vatican media said on the official website.
"Leo from Chicago" follows the documentary "León de Perú," released in June.
To watch the trailer, click here.
The documentary is expected to be released in October.
WATCH | ABC7 presents 'Pope Leo XIV: A Chicago Celebration' | Watch full special