Poltergeist: The Legacy (1996)

Season 2: Episode 16

A young american indian boy is taken into the principals office after being jumped by two bullies. He loses his phoenix talisman during the attack and his anger appears to manifest itself as a shadow warrior. The warrior attacks first the principal and then a police detective who is pushing his mother. Thrown into a cell on assault charges his only chance of freedom is from the Luna Foundation and its interest in unusaual phenomena. Derek comes to the police station to see if he can find out whether the boy is telling the truth or not about what happened.