Spoilers ahead for Reacher season 4, episode 1, "City of Brotherly Love. "Jack Reacher is back, and he opens Reacher season 4 with an interesting word: "Whizwit." After Killing Floor, Bad Luck and Trouble, and Persuader, Reacher season 4 is tackling g 14th installment in Child's series, Gone Tomorrow. Granted that the landscapes are vastly different, the new metro does its job well, at least from what's seen in Reacher season 4 thus far. Reacher Season 4's Opening Line Says A Lot About His CharacterThe changes in Reacher's settings are vital for a couple of reasons.