 They return to Qujaga to find that the Peacekeeper-Scarran war has reached the planet.Crichton and the others must get through the battle to reach the remaining Eidolons on the planet and pass the techniques of peace to them, all while both sides are still after him for wormhole technology.Once there, Crichton and Aeryn are finally able to marry and Aeryn gives birth, but D'Argo is fatally wounded in the escape and dies offscreen.