i dont think it was a episode i think it was the 2nd movie i dont really know...
in episode 161 miroku's past mistake
It is episode 118
Episode 161
In episode sixteen, Mystical Hand of the Amorous Monk, Miroku.
Sango tells Miroku she wants to die with him on episode 118 of Inuyasha.
Episode 28
in episode 132
He is going to die in episode 135
Its in the "Inuyasha The Final Act" . Episode 26.
Episode 93, "The Mysterious Pervert Monk Who Comes and Goes"
# It's Miroku # That's not his uncle # It's called The last banquet of Miroku's master
I believe it's Inuyasha episode 56, if that is the one you are looking for.