'''Beware of spoilers! Only major spoilers and spoilers relating to the current season (6) are whited out!'''

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[[folder:In General]]
* The prospect of growing up with your own tombstone ready and waiting for you out in the backyard can be pretty terrifying.
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[[folder:Season 1]]
* Bo Crowder's henchman Hestler Jones, is a convicted sex offender. He never does anything onscreen, but he's a ''very'' unsettling man. Creator/RayPorter gives an extremely slimy, shuddery performance.
* Boyd finding his flock dead and hung from trees by Bo.
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[[folder:Season 2]]
* Mags Bennett's ways of punishing her sons are simply terrifying.
* The climax of Brother's Keeper: Raylan going after Loretta after she has been abducted by [[TheBrute Coover Bennett]]. He tracks them to the woods in the dead of night surrounded by fog and finds Loretta (thankfully just unconscious) just as Coover bears down on him. The wide shot is something out of a horror movie.
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[[folder:Season 3]]
* The final scene in "Guy Walks into a Bar," in which Quarles snorts drugs and disrobes while talking incoherently. He walks naked into the bathroom, where Donovan is bound and gagged, suggesting Quarles has torture and sexual assault in mind.
* Delroy beating up Ellen May.
* Ellen May watching the doctor and her friend being brutally murdered while hiding under a desk.
* Limehouse's slaughterhouse, where he chops up hog carcasses and the limbs of evil carpetbaggers.
* In ''Slaughterhouse'' a desperate Quarles takes a mother and her two teenage sons hostages. After spending a few hours threatening to kill them if they do anything out of line, he forces the mother out of the car and and tells her eldest son to start driving without her. She runs after the car screaming. Later, Raylan can't even promise the woman her sons will be fine, since he knows Quarles's history and knows that, in all likelihood, they won't be.
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[[folder:Season 4]]
* Mason brutalizing Drew Thompson's widow after taking her captive in "Truth and Consequences". Had the marshals not shown up in time, it would have gotten [[RapeIsASpecialKindOfEvil even worse.]]
* Jimmy on the receiving end of multiple snake bites in "Truth and Consequences". He and Colt snuck into Last Chance Salvation Church at night, only to discover that the St. Cyrs were using poisonous snakes to guard the tent.
* The deaths of Sharon Edmunds and Arlo Givens are surprisingly horrifying for this show. The first gets shot in the neck and dies a slow, undignified death while the second gets messily beaten up and stabbed in the chest with scissors, only to collapse while making a lot of disturbing sounds.
* A subtle one but when Raylan tries to tease Tim about being too old to read the books he does, Tim fires back that he was 'probably two young to be blowing the heads off've Taliban'.
* The season long plot between Tim, Colton and Mark. Tim meets Colton in his role as a newly discharged soldier who has become Boyd's enforcer. Tim sincerely offers the man pathways into law enforcement but Colton is very much on his own thing. Colton is a drug addict and while trying to get high finds a friend of Tim, Mark, at the apartment of the dealer Colton is going to rob. Colton murders them both, leaving Tim quietly devastated and taking some uncharacteristic actions to chase down and confront Colton. Later, Colton sets a trap for the Drew Thomson decoy convoy which Tim spots and saves them all from, but by his own admission, at first he can't tell if he really senses a trap or he's just having a PTSD episode. From a character who keeps so much below the surface it's a quiet but harrowing series of glimpses into his life.
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[[folder:Season 5]]
* When Boyd and Duffy visit Sammy Tonin in Detroit, Sammy's hands are covered in blood. Offscreen, a man is screaming in a nearby room, where one of Sammy's henchmen has taken a chainsaw. Apparently the Detroit Mafia uses {{cold blooded torture}} to punish its enemies.
* Alan Tudyk as [[TheDragon Elias]] [[UndyingLoyalty Marcos.]] He made such a scary impression with his few minutes of screen time that some viewers actually thought he'd be more than a FillerVillain.
* Daryl's {{villainous breakdown}} in "Weight". He brutally beats Wendy, leaving her stunned on the floor and shouting that he hates her. Then, he tearfully compels Kendall to forge a blood bond with him. Watching him slash his hand, slash a clearly frightened Kendall's hand, and forcefully clasp their hands together showed that Daryl is becoming dangerously unstable.
** The scene offers a dose of {{fridge horror}} when viewers realize that Daryl could have any number of pathogens in his blood, given what we know of his sexual habits.
** Daryl's beatdown of Mike isn't any easier to watch.
* Ethan Picker's death. Boyd Crowder pulls out an ordinary carton of cigarettes, presses down on it, and then throws the carton to Picker. Seconds later, the carton, which is actually a bomb, ''explodes'', obliterating Picker's chest and spraying blood all over the room. This is by far one of the most gruesome deaths in the entire series.
* Mr. Yoon's Mexican drug cartel thinks decapitation is out of style. So they now remove the skin of their enemies.
** Alberto Ruiz takes it up a further notch in "Restitution" when he describes in detail to Boyd how he will skin him.
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[[folder:Season 6]]
* When a handful of high-powered explosives reduce the Wiz to chunky salsa in "The Trash and the Snake", it's a combination of nightmare fuel and black humor.
* Ty Walker executing the two [=EMTs=] in "The Hunt" is surprisingly horrific for a show that usually reserves the more... "colorful" deaths for villains. He stabs one of them with a needle full of sedatives, shoots him to death while he's on the ground, and shoots the second EMT several times in the chest and once in the head without any kind of GoryDiscretionShot.
* In "Burned", Avery Markham's newest PsychoForHire is introduced in a rather frightening way. The teenage Loretta [=McCready=] comes home to find a dead snake in her living room with it's head blown off. A second later, her door bursts open and an unsettling young man barges in. He smiles and acts friendly to her and all the while he brandishes his gun while alternating between making thinly veiled death threats and creepy flirtations. The entire scene makes him come across as a mix between an unhinged psychotic and a sexual predator.
* The diner scene in which Boon bullies the waiter and the college student in "Trust".
* In "The Promise", Markham's death via a bullet to the left eye was gruesome.
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