About the film
Sweethearts of the Gridiron is a 2015 American documentary film directed by Chip Hale. The film chronicles the history and enduring legacy of the Kilgore College Rangerettes, the world's first precision dance-drill team. The title is taken from the Rangerettes' well-known nickname, "America's Sweethearts of the Gridiron."
From the film's Wikipedia article (CC BY-SA 4.0).