There is some mild teen romance, including kissing, hugging and holding hands.

An older lady walks around in a skintight green leotard with cleavage showing. Later on the character Simon refers to her as "sugar buns" after which his friend harshly slaps him.

A man describes to a store owner how he could one day be rich enough to own a yacht and wear a shirt "masculinely unbuttoned to the navel", having "women in bikinis surrounding him".

Some references are made to puberty including a young boy stating "puberty... now THAT'S scary!" and a boy attempting to shave for the first time.

References throughout are made to the song "My Sharona" by The Knack, which is about a teenage boy having sex with a girl for the first time. However, the song itself is not played on-screen, only alluded to or played as instrumental covers.

A trio of singers wear sleeveless purple glitter dresses with low-cut cleavage.

Marshall, Dash X and Simon discover a gun and Dash X accidentally fires it. Nobody gets hit, but later on an adult man aims the same gun at them and later ties up two of the boys while holding the third at gunpoint to make him rob a bank.

A boy is attacked by a werewolf. He is bitten and later made to drink a grotesque concoction with an eyeball floating in it.

A minor character is killed while riding a skateboard in the road.

A man is shot in the foot with a gun.

A homeless man is referred to as an "axe murderer".

A boy is shouted at through a megaphone during a commercial and he falls over, but is uninjured.

Marshall and Dash X get into a physical fight. One kid pins the other down on the front lawn and is later kicked and hit. However, neither of the two boys are seriously hurt.

A crow is seen with an eyeball in its beak frequently.

A boy is featured with an abusive father as a homage to the music videos for the real-life band Twisted Sister. This is quite upsetting at times. The boy is yelled at, threatened, has his belongings ripped apart, and later he runs away and is hit by a vehicle.

Two obese twin brothers are held hostage by a woman who seals them in large containers to keep them from aging.

A female character has near heart attacks throughout the time after a recent heart surgery.

A boy plays with a pocketknife, darting it between his fingers atop a school desk. He then declares, "live fast, die young, leave a good-looking corpse!"

Marshall and Simon are slapped by Dash X after buying a tacky Elvis Presley lamp.

Syndi starts going out for various school co-op assignments, including going to a crime scene and a fire, much to her parents' horror. However, she is never injured while doing this.

It is implied that townsfolk are being ritualistically fed to a wolf.

A boy mentions the death of a pet goldfish.

A homeless man is shot with a gun-like device and electrocuted.

There is no serious profanity throughout, but some mild name-calling ("geek", "nerd", "idiot", etc.), some sexual dialogue ("sugar buns", "baby", "hot") and some crude humor, including a man sitting on a sofa and belching.

Uses of "hell" (both verbally spoken aloud and at one point very briefly written on the electric destination marker on a city bus); the word is not intended as a swear.

A man is implied to be an alcoholic. He embarrasses his daughter by drinking beer and belching in front of her friends, he is surrounded by discarded beer cans and his children are unruly and neglected.

Much of this show's scariness is meant to be comedic and rarely gets violent. However, there are a couple of physical fight scenes, character deaths, gun violence and dramatic suspense moments which can be a bit unsettling and may frighten younger viewers.

A secondary character called "Dash X" is portrayed with a backstory which may upset some viewers. He is virtually homeless, can't remember his real name and has no parents. He also shoplifts and claims to dumpster-dive for food to survive. He has sort of a back-and-forth relationship with Marshall and Simon; sometimes he will be deliberately cruel and exploitative towards them, but other times he will be kinder and even help them out when they need him.

A male character is killed (off-screen) in a road accident and later his heart is transplanted into the body of a girl he likes). This may upset some viewers.

A homeless man is treated badly and portrayed as mentally ill, called "mad whacker" and "liberal axe murderer" and also injured by a woman.

There are frequent scenes of child abuse and neglect, including Simon's own parents "not wanting him around", Sarah Bob's alcoholic and morbidly obese father, Dash X's absentee parents, Bert and Ernie's overprotective mother who seals them in plastic containers and one boy's verbally abusive father who constantly berates him, throws things and destroys his belongings.

References are made to hell and Satan in a comical way. This may still bother some viewers.