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Occasionally, two characters will fall in love. In one episode, Cuddles and Giggles kiss. Not graphic or explicit in any way.

Lumpy's butt is shown for a few seconds in one or two episodes for comic effect. It is extremely cartoony and not really explicit.

A LOT of bloody and gory deaths that easily traumatizes people.

In Remains to be seen from Season 2 Episode 49, there are so many deaths and violence like Flippy killing the entire crew, everyone turning into death zombies, eating brains, and many more. Flippy breaks off a little big part of Lumpy's arm.

The show has a lot of blood and gore but it's not realistic because it is a cartoon disguised for kids.

Very evil animals are being killed, which means lots of animal cruelty including blood and gore. This is not recommended for anyone under 21, animal lovers, sensitive viewers, disabled people or elderly.

In the pilot episode "Banjo Frenzy", Lumpy decapitates an animal with a banjo, cuts another vertically in half, and beats an animal to death using his banjo. However, his head is still alive.

In Season 1, Episode 1, Toothy is slammed into a tree after flying off the merry-go-round, snapping his spinal cord. Giggles is ripped in half by a tree stump after the merry-go-round pole she was holding onto that broke. Cuddles is shredded to pieces by a plane engine after his arms were ripped off by the merry-go-round.

In Season 1, Episode 2, an animal gets decapitated by a tree branch when a squirrel flew past it.

In Season 1, Episode 3, Crazy Antics, Sniffles is being exploded when the ants fill him with gasoline as they lit his tongue on fire.

In Season 1, Episode 4, Having A Ball, Pop gets shredded to pieces by a helicopter's blades. Cub gets crushed by Lumpy's gurney. Lumpy is crushed by a falling helicopter. (The helicopter pilot gets killed when their helicopter crashes)

In Season 1, Episode 5, Water you Waiting For, Cuddles gets crushed by a whale.

In Season 1 Episode 6, Nuttin' Wrong with Candy, Nutty gets ripped apart by coils of a vending machine.

In Season 1 Episode 7, Wheelin' and Dealin', an animal crashes to an ambulance and gets ripped in half. Lifty and Shifty get scraped in half against pavement when their cart turns over.

In Season 1, Episode 8, Pitchin' Impossible, Petunia gets decapitated at the mouth by a falling wall knocked over by The Mole. 18 Tree Friends get flung off a Ferris wheel by The Mole. Lumpy gets cut vertically in half by a ferris wheel released by The Mole.

In Season 1, Episode 9, Stayin' Alive, Giggles' face is slammed onto a teapot by Disco Bear. Petunia is electrocuted on an electric fence by Disco Bear.

In Season 1 Episode 10, Treasure Those Idol Moments, Toothy gets impaled through the mouth by a swing, caused by the Cursed Idol. Sniffles sinks into quicksand, caused by the Cursed Idol. Cub gets crushed by a boulder, caused by the Cursed Idol. Flaky gets ran over by Lumpy, caused by the Cursed Idol. Lumpy gets killed in a car crash, caused by the Cursed Idol. Total Death Counts: 5

In Season 1 Episode 11, Chip Off the Ol' Block, Cub gets his head mangled by debris launched by a lawnmower by Pop.

In Season 1 Episode 12, Hide and Seek, (A lot of deaths by Flippy) Flippy throws a bowie knife at Woodpecker, Flippy also snaps Toothy's neck and strangles another animal with a piano wire. The most gruesome scene is when Flippy throws a grenade at Petunia after he throws her on a pit of spikes. She is seen screaming in pain.

In Season 1, Episode 13, Whose Line Is It Anyway?, Russell gets impaled through the skull by a swordfish as the swordfish gets strangled along with a pufferfish that is caught in Russell's throat

In Season 1, Episode 14, Boo Do You Think You Are?, Sniffles, face is ripped off by a robotic zombie hand. Giggles is cut horizontally in half by a swinging pendulum. Flaky's body is melted in lava.

In Season 1, Episode 15, Mime and Mime Again, Toothy gets the cast stuck in a fan and his whole leg rips apart as we can see the bone snap. The Mime pours medical acid on his leg and it hurts even more. Toothy is obviously screaming in pain as the Mime puts his leg back on and the cast on the fan shreds Toothy to pieces.

In Season 1, Episode 16, You're Bakin' Me Crazy, Lumpy trips on a wire and lands on an iron board which flings an iron on Giggles' face sliding down with a red scar. Lumpy knocks a mixer on Giggles' eyes mangling them which is very bloody.

Cub is killed many times.

All of the episodes feature at least a moderate to severe amount of gore. All the characters have died tragically in at least three episodes. Most of which are gruesome and hard to watch, especially if you're squeamish.

The episode "Out on a limb" contains no death but it is still extremely gory.

Happy Tree Friends is about cute cartoon animals dying in extremely painful ways such as impaling, burning, drowning, bleeding to death, blown up, being chopped up, dying from torture, being attacked by animals and coughing up organs.

Flippy, a character who is the most popular character, is a war veteran and has a mental condition called PTSD (post-traumatic stress disorder). This turns him into a horrifically savage and unstoppable killing machine when reminded of the war. Once transformed, Flippy will mercilessly kill and even torture other characters and all in rather graphic ways, and the fact that Flippy is based on John Rambo from the titular "Rambo" franchise, it also adds to his psychopathic behavior.

Every episode (but one) contains death. Some even contain torture and self-harm.

There is only one episode which contains no death, but this one is just as disturbing and violent as the rest.

None.

The animals all talk gibberish.

On rare occasions, characters will mumble expletives (Lumpy mumbles "What the fuck?" when a murderous puppy evades the net he had caught him in), and "God damnit!" when someone talks on a bus. They are likely unintentional due to the characters' gibberish language.

Lumpy is seen smoking a cigarette.

Pop, the father of the baby squirrel, Cub, often smokes every time, but that's not a fact that can be used in an episode.

In many episodes, the animals can be seen and heard crying in pain fearing for their life which is disturbing and makes you feel bad about the characters.

Cub often dies as a result of being neglected by his own father, Pop.

Flippy has severe PTSD and whenever he is reminded of the war, it causes him to act violently and kill others whenever he has an episode.

Almost all the characters personify different mental disorders such as PTSD, anxiety, OCD, scizophrenia etc. Some viewers may find it offensive.

The show has covered the topic of PTSD.

The show can be unsettling at a lot of times because of its violence.

Some of the deaths are very disturbing.