Supernatural - Children Shouldn't Play With Dead Things Season 2 Episode 4

Sam and Dean travel to a college town to visit Neil Levine, a heart-broken college student who is grieving the loss of his long-time crush who died in a car accident just after he consoled her over a recent breakup. Neil, determined to get his crush back one way or another, uses necromancy to bring her back to live. The girl returns, but she comes back as an angry spirit hell-bent on seeking revenge on her cheating ex-boyfriend and the girl that he cheated with. Sam and Dean have to step in and stop the spirit before her anger turns deadly.