"jack" is a biopic on record 18-time major champion and world golf hall of fame member jack nicklaus.the film is a product of nearly 100 interviews and hundreds of hours of archived film blended with recollections from nicklaus, as well as his playing competitors, family members, sports legends, business partners, childhood friends, along with golf and sports media. the three parts are segmented chronologically: "prodigy" (part i), "prime" (part ii) and "pinnacle" (part iii), including context on each of nicklaus’ 18 major titles. as "tv insider" wrote: “as it did with arnold palmer in 2014's "arnie," golf channel gathers interviews with luminaries from sports and media, and rarely seen video footage to create an in-depth portrait of nicklaus not only as a great athlete, but also as a family man, businessman, philanthropist and ambassador for golf.”