''Deadly Friend'' is a film released in 1986 directed by Creator/WesCraven.

TeenGenius college professor Paul moves into a new neighborhood with his mom and [[RobotBuddy his sentient robot B.B.]] and soon meets GirlNextDoor Samantha (Kristy Swanson) and her [[AbusiveParents abusive father]]. Things start out great and the kids have a good time, but it's not long before a series of tragedies occur: B.B. is destroyed by the paranoid elderly neighbor lady after they pull a prank on her; Samantha is killed by her father in a drunken rage; Paul decides to bring Samantha back to life by use of a brain transplant using B.B.'s computer chip brain, but the transplant makes her [[CyberneticsEatYourSoul more robot than human]] and things go downhill from there.

!!Tropes present include:

* AbusiveParents: Sam's dad is of the physical sort and, according to her dream, he may also have sexually abused her. He gets extreme when he kills her. He becomes an AssholeVictim soon enough.
* AllJustADream: Some people's interpretation of the crazy ending.
* ArtificialZombie: Undead Sam.
* AssholeVictim: Sam's dad, who for reasons above, deserved every single moment of his death.
** LaserGuidedKarma: His death came in the form of his resurrected daughter murdering him.
* CameBackWrong[=/=]CyberneticsEatYourSoul
* DisappearedDad: Paul's father is absent without any explanation.
* ExecutiveMeddling: Reportedly a victim of it; Some of the gorier moments were added in late into the film's production by executives to make the film scarier.
* GainaxEnding: Sam's insides turned into a more evil B.B....somehow.
* GirlNextDoor: Sam.
* KillerRobot: B.B. was already starting to show homicidal impulses before his brain was inserted into Sam's.
* MadeOfPlasticine: How else do you explain someones head exploding from a basketball?
* MissingMom: Sam's mother, and according to Sam's dream her father might have murdered her.
* NinjaPirateZombieRobot: Undead Sam.
* OverprotectiveDad: Sam's is of the more deranged sort.
* PokemonSpeak: B.B. keeps repeating its name in its robot body.
* PoisonousFriend: B.B.
* RobotBuddy: B.B.
* RobotGirl: Sam after the transplant.
* SuperStrength: One of the side effects of Sam having a robotic brain.
* TeenGenius: Paul.
* YourHeadAsplode
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