Ninja Soul Gintama : Season 7 Episode 37
TV-14 TV Setouchi 25m int(0)
Aired: December 16th, 2015 @ 1:30 AM EST on TV Setouchi
After it becomes clear that the Iga clan didn't actually betray the Shogun, Gin and co are taken to their village and learn the truth about the Shogun's deep involvement with the clan in the past.