The third season of “Genndy Tartakovsky’s Primal” opens with a shocking twist that resurrects Spear in a new form—stripped of memory and humanity—and forces him to roam a brutal, untamed world as a shadow of his former self. As Spear battles savage landscapes and deadly foes, faint echoes of his past begin to stir, leading him toward an emotional and explosive reunion that will test the limits of survival.