Watch Online Free on Watchseries. A documentary from NFL Films celebrating the legendary quarterbacks and running backs who defined pro football in the mid-20th century. Featuring archival footage and dramatic narration, “Legends of the Fall” pays tribute to the athletes whose skill and toughness helped build the NFL’s legacy. Players like Johnny Unitas, Jim Brown, Gale Sayers, and Bart Starr are profiled in this classic retrospective.