Season five of “For All Mankind” lands on Apple TV this Friday. The new episodes are must-watch TV for fans of early seasons of the sci-fi series.The show goes from weird to gut-wrenchingly emotional to outright cinematic and suspenseful over the course of the first eight episodes. As a viewer, I can’t wait to see where this season’s finale takes us in this alt-history timeline’s future.After six years and five seasons, however, the challenge for “For All Mankind” is very clear. more…