||Characters kiss and cuddle.
A woman gives birth, off screen, non-explicit.
A lot of teenage flirting. There are love triangles, and lots of talk about dating, and romantic couples. Some female characters wear clothing that is low-cut or exposes the midriff.
In the series finale, two women enter a same-sex romantic relationship. Throughout the series, there are a lot of parallels to the original series' romantic relationships when it comes to these two women's relationship. In addition to that, there is a fair amount of subtext in both the vocal performances of the voice actresses and the writing itself.
It was later confirmed by the creators that they are bisexual.
Frequent fighting. Characters get hurt. Some fights get very intense.
Some characters can manipulate others by "blood-bending," causing them great harm this causes their movements to seem unnatural. This can be disturbing.
In one episode of Season 1, a father makes his two sons "blood-bend" a pack of wolves. In the same episode the father makes his sons "blood-bend" each other.
There is one murder-suicide at the end of Season 1. It is depicted on-screen, though it is caused by an explosion, and the viewer only sees the explosion from afar.
One of the main villains of Season 2 almost beats his brother to death during a fight. It is mildly graphic.
The final battle of Season 2 - though not very graphic can get somewhat intense.
The main villain of Season 3 kills a significant character by suffocating said character with airbending. The scene is arguably the most graphic in the series, as the show does not cut away from the murder. At one point, the "camera" does a close-up of the suffocating characters face, showing her eyes red and bulging from oxygen depravation but does not show her dead on the floor.
One of the most well-liked characters in the show is nearly beaten to death in Season 3 when the main villains gang up on him and proceed to attack him from all sides.
One of the main villains of Season 3 is killed in an extremely violent way, when a metal plating is enclosed around her head, and an explosion goes off inside, blowing her head off. Though the scene cuts off at the very last second before the explosion, the implications about how the villain died are made very clear to the viewer.
The main character is poisoned in the Season 3 finale, The entire scene Can be violent , arguably the most intense in the series. It depicts the main character writhing and screaming in pain.
One of the main villains of Season 3 is killed when a well-liked character electrifies the pond of water where the villain is standing on. The scene is mildly graphic, as it fully depicts the electrocution.
One of the main villains of Season 3 commits suicide by collapsing the cave he's in. Not graphic, as the only thing shown is the cave collapsing.
Mild name calling.
Implied in the beginning of the second season at a party with adults holding glasses of an unknown beverage. Possibly wine or champagne.
There are multiple scenes throughout the show that can be considered very intense and frightening in nature.
Some characters hold the ability to 'blood bend' characters. When a character is being blood bended, they're movements are unnatural and can be disturbing.
The main villain of Season 1 can be frightening to younger children under 5. He wears a mask, and is very mysterious. The main character has several nightmares involving him.
A lengthy flashback reveals a dark and somewhat disturbing past for one of the main characters. The entire flashback can be intense.
An important character commits a murder-suicide in Season 1 by purposefully blowing up the boat that he and his brother are riding (just shows explosion from afar).
The spirits depicted in Season 2 vary wildly in character design. While some spirits are harmless and cute, others are grotesque, some can be frightening and very intimidating in nature.
The main villain of Season 3 kills an important character by suffocating said character with air bending
One of the main villains of Season 3 is a waterbender with no arms.
The main character of the show is poisoned,when poison is forcefully introduced in her body. The scene can be intense and frightening to younger children, as it depicts in detail not just the forceful poisoning, but also the main character's subsequent suffering as a result of the poison.
The main character ends up confined to a wheelchair (though not permanently) by the end of Season 3 as a result of the poisoning and fight that took place during the finale.
The series includes themes such as social unrest, civil war, terrorism, anarchism, murder, and suicide.
Overall Rating: 20/40
Final Note: Despite being a part of the Nickelodeon brand, this show is tailored and better suited for teenagers and young adults, ( not for children under 5 ) as it deals with very serious themes and occasionally depicts somewhat intense acts of violence.
TV Rating: TV-Y7-FV
Suggested Rating: TV-PG-DV