Episode 93

The Mysterious Lecherous Monk is the 93rd episode of Inuyasha.

Plot
Miroku and his friends come across a village which seems to remember him, but that he doesn't remember. According to the villagers, Miroku came and went only days before. Miroku then realizes that someone is impersonating him, and is doing a fairly good job of it, so it must be someone he knows well.