James Franco, Sarah Gadon, George McKay. A despondent modern-day high school teacher travels back in time to prevent the assassination of John F. Kennedy, but his new relationships to the people of the era get in the way of his mission. Based on the novel by Stephen King. 8 episodes on 2 DVDs or 2 Blu-ray Discs. 2016/color/7 hrs., 30 min/NR/widescreen.