Friday the 13th, Part 6: Jason Lives (1986)
Nothing this evil ever dies.
Tommy Jarvis, the boy who killed Crystal Lake murderer Jason Vorhees, is now grown. Jason is still dead, but Tommy, recently released from a mental health facility, needs to see proof. When he exhumes Jasons body to get a closer look, a series of events causes the masked killer to be reanimated, only to go on the rampage again!