Spliting GI JOE Up

Ok i have the GI Joe series one dvd its like 8 gig i use dvd decrypt and i split the dvd up and use menuedit and remove the buttons for the episodes i put on disk 2 but i get an error when i get to end of the episode 5 it crashe my dvd player becuse it dosent know were to go i assume since its suppose to go to part 6. How do i edit the episode 5 to return to menu on end?