Because I was breeding a Togepi, and my Togetic forgot Extrasensory! >:(
Go to Blackthorn City. It is the house with the sign in front of it. There are four people inside. One is the move re-learner, one teaches the ultimate moves to starters, on is the move deleter, and I forgot the last one.
Blackthorn City Head to the house west of the Pokemart Source
