The Fairly OddParents: Season 7, Episode 17 - ProjectFreeTV

7 - 17: Frenemy Mine

After Timmy saves Vicky's life after her attempt to torment him backfires, she is shunned by her fellow evil babysitters, and loses all of her friends. After Timmy suggests to her that she try being friendly, Vicky begins to smother Timmy with friendliness, and he must find a way to change her back to her mean self, since she will not let anyone else near him.