There are no dogs present during the run of the show, as far as I can remember.

Animals are hunted and killed. We also see the mutations of animals affected by nuclear fallout. This happens during the first 5 seasons, and is part of the atmosphere of the show.

there are mentions of bugs throughout the series, most recently in s6e1 when there is a swarm of very angry-sounding, flesh-hungry bugs.

There are large snake-like worms throughout Season 5

Entire S5 abbey is addicted to pain meds

Throughout S5 abbey is addicted, she does things to get pills, frequent jokes about her being a 'junkie', shown having withdrawal and going cold turkey

Teenagers are shown drinking alcohol to cope

S1E11: clarke tries to perform surgery on a child and there's a close-up of her cutting into her skin with a scalpel S2E1: clarke breaks a window and when she reaches through it the glass cuts her forearm in a way that could be triggering. Later in the season she reopens the wound on purpose S2E2: surgery is performed on Raven and the initial cut is shown

A character loses her lower leg due to a gunshot wound

A girl is tortured by 1,000 cuts, a girl is tortured by her mother

Multiple characters are burned alive throughout the show.

Season 5 has a plotline about cannibalism (mostly just heavily implied and discussed throughout the season), and in S5Ep11 there are graphic and emotional flashbacks to on-screen cannibalism.

S5E13. teeth are painfully extracted from Shaw in a torture bribe attempt to have Raven fly the Eligius IV. TIMESTAMPS (taken from the time remaining in episode, on the right side of the screen)! GRAPHIC removal: 35:04 - 34:45. be warned. his bloodied face can still be seen in scenes thereafter, and the torture continues.

S1E7 about halfway through main character has a seizure due to poisoning

S5Ep3, after a man wakes up and attacks Bellamy from behind, the man's eyes are partially squished in.

S1E3 after getting stabbed in the neck a character's fingers get cut off, and in E4 they are shown lying in the dirt. S1E10: Character comes back to camp and their bloody fingers are shown. They had been tortured by grounders. It's said that their fingernails were ripped off.

Octavia breaks her leg when she is "kidnapped" by who we soon know as Lincoln in season 1

Clarke's dad, Raven's mom, and Octavia and Bellamy's mom died previous to the events in the show. S1E5: side character chooses to sacrifice himself and he's a dad S1E9: in an explosion on the arc Marcus Kane's mother dies SPOILERS BEYOND THIS POINT: Jaha dies. Abby dies in season 6. Monty and Harper have a son and they die in season 6.

It is a fairly common occurrence. Characters are kidnapped to be tortured, used as bait, "for their own good", etc...

Several children and many teenagers die throughout the show including main characters. SPOILERS: S1E3 Wells dies. S1E4 child jumps off a cliff at the end of the episode. S1E11: child dies when Clarke is unable to save them S1E12: Teenager is smothered to death about halfway through the episode. A child dies on the arc with an unsuccessful story. Finn dies in season 2. Jasper dies. An entire colony of people underground die including

There is a plotline in Season 1 about a teenage boy cheating on his girlfriend with another teenage girl who thought he was single. Both girls break up with him, and no one dates him after that.

jasper had a good time

Throughout the show, multiple characters are followed, watched from hiding spots, and monitored with hidden cameras on multiple occasions.

Deceased people exist in AI

People gets possessed by an AI.

season 1 theres an illness spreading through the camp, season 3 episode 1 murphy mentions it while talking to raven, also raven spits up some blood also in season 2 jasper gives maya blood theres alotta talk of puke around then, i cant rmbr if it's shown or not. season 5 is so bad theres so much, it was a minefield to get through

Throughout Season 5, several people are tortured with shock collars.

S1E12 has a surgery in a hospital setting

S1E11: Clarke tries to save a child and tries to do a blood transfusion, a needle is used.

Through ALIE, yes

Emori has a deformed hand, and it is a big insecurity of hers.

Throughout the show, multiple characters have to hide in confined spaces alone or with others, on multiple occasions. There are multiple references and flashbacks to a main character having to hide under the floorboards multiple times as a child over the years.

Jasper dies of overdose in s4e11. Kane dies by launching himself into space in s6e9.

s3e10 25 minutes in raven slits her wrists under the influence of ALIE, it's hella graphic

Specifically in season 5 and 6.

Not extreme shakey cam, but if you are highly sensitive, the camera is moved pretty often and it is obvious that it is hand held. So be careful!

We see Bellamy and Octavia's mother give birth.

Who knows what is going on with Diyoza lol

it’s heavily implied that murphy is forced to sleep with ontari in the latter half of season 3. nothing is shown or mentioned thereafter.

No. But in 6:13, two characters in a romantic relationship take on the identities of people who are siblings. They were not aware of the relationship of the identities they took on and are called out for holding hands.

Lexa is shot immediately after getting together with Clarke in a classic example of "Bury Your Gays".

The different "Kru" (tribes) all hate each other and have derogatory terms that only apply in the context of the series fictional universe.

A few nameless white characters are the first to die in Season 1 Episode 1. The only named black character at the time (a main character) is among the next to die in the following episodes.

In episode 1:2, a character makes fun of another for making a spelling error. In 3:5, a character's chronic pain and nerve damage is used to manipulate them into taking a mind control chip.

Jewish actor Thomas McConnell plays a "nice, Jewish boy" type character. He is the only known Jewish actor in the cast. His character dies episode 2:8

Episode 2:1, it's revealed that one of the characters was emotionally abused by their drunk mother. Episode 5:12, a parent puts a shock collar on their child in order to control them.

During the entire first season, a majority of the 100 are under the age of 18. Episode 2:1, it's revealed that one of the characters was emotionally abused by their drunk mother. In 3:13, an adult character violently beats a young teenager as a punishment. It is graphic.

S1E10: end of the episode a character is smothered to death S1E11: girl has internal trauma from a bomb going off and struggles to breathe throught the episode S1E12: Teenager is smothered to death about halfway through the episode

season 1 episode 4, murphy’s law. as the title suggests, murphy is hanged.

S1E4 a child jumps off a cliff to their death at the end of the episode

Throughout the show, multiple characters (including main characters) wield guns and shoot people. An LGBTQ+ character is killed by gunshot.

Literally every season and almost every episode, if not all of them.

Space crafts crash