As, Tsunde order: to bring Naruto back!,The 2 elders refuse and say it’s better if we leave him there,Tsunde tell them that they are supposed to believe in Naruto like the First Hokage believed in them!

http://www.youtube.com/v/HEvgATDVvA4?f=videos&app=youtube_gdata

The rest is here:
Naruto Shippuden Episode 158 Preview HD