Is there an educational aspect to the bug facts?

Technically, yes. The protagonist cites real entomological facts about wasps, butterflies, and beetles. However, the context is so violent and sexualized that using this as an 'educational' tool would be like using a slasher movie to teach first aid.

How graphic is the sexual content?

It is significant. The movie contains scenes of attempted rape and 'creature' violence that mimics sexual assault. It’s far beyond standard 'suggestive' themes found in most teen anime.

Is this part of a series I need to know about?

It's based on a manga and has an OVA (Original Video Animation). They are all in the same vein of exploitation horror. You don't need to see them to understand this, but if you see the name, the content warnings remain the same.

Why is the IMDb score so low?

Beyond the controversial content, it's just not a well-made movie. The animation is choppy, the characters are one-dimensional, and the plot relies on people making the dumbest possible decisions to keep the gore going.

The Island of Giant Insects – WISE Score & Parent Review | Screenwise

The Island of Giant Insects

Name: Screenwise
Author: Screenwise

movie2019

15%

WISE Score

Think Lost meets a nightmare version of A Bug's Life, but with way more gore and zero chill.

The Island of Giant Insects

movie

18, 2019

15%

WISE Score

Think Lost meets a nightmare version of A Bug's Life, but with way more gore and zero chill.

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Screenwise Verdict

Look, I’m all for a good monster movie, but The Island of Giant Insects is a mess. It’s a 'survival' story that’s more interested in finding creative ways to humiliate and dismember its cast than in building actual tension. With a 4.0 on IMDb, the consensus is pretty clear: it’s not even a good bad movie.

Parents should treat this as a 'hard pass.' It’s categorized as 18+ for a reason—the combination of graphic insect-related gore and sexual violence makes it unsuitable for a family setting. If your kid is looking for survival anime, there are a dozen better options that don't involve giant butterflies doing... well, what they do in this movie.

Age Fit

This is strictly 18+. It’s an 'exploitation' anime that leans into the 'nasty' subgenre. It is not appropriate for children or young teens under any circumstances, and even most adults will find it a tough, unpleasant watch.

WISE Breakdown

Wholesome

This is mean-spirited survival horror that prioritizes shock value and 'fanservice' over any kind of emotional resonance or healthy modeling.

Imaginative

The premise of using actual entomology to survive a monster island is a clever hook, even if the execution is bottom-of-the-barrel.

Safe

Capped due to extreme graphic gore and scenes involving sexual violence and non-consensual themes. It is strictly adult exploitation material.

Enriching

You might accidentally learn a fact about a wasp's lifecycle, but it’s buried under a mountain of trashy tropes and bad writing.

Parent Info

✓

Why It Might Be Great

Entomology focus: The protagonist, Mutsumi, actually uses real-world insect science to navigate threats, which is a neat niche.
Creature design: If you're a fan of classic 'creature features,' the giant insect designs are effectively repulsive.
B-movie energy: For adults who enjoy 'so-bad-it's-good' cinema, the absurd dialogue and scenarios hit that trashy sweet spot.

⚠

What to Watch For

Sexual violence: The film includes scenes of attempted sexual assault and highly sexualized insect attacks that are genuinely disturbing.
Graphic dismemberment: The 'giant' aspect of the insects is used to show people being ripped apart, melted by acid, and eaten alive in detail.
Low-tier animation: Even for 2019, the animation is often stiff and relies on poorly integrated CGI that makes it hard to stay immersed.

Conversation Starters

"If you were stranded, what's one weird hobby or niche interest you have that might actually be a survival skill?"
"Why do some creators think adding 'edge' or gore makes a story more mature, even when it doesn't add to the plot?"
"How does the animation style of a show change how scary or gross the monsters feel?"

Deep Dive

The 'Nasty' Side of Anime

Every once in a while, an anime comes along that feels like it was built specifically to test the limits of what streaming platforms will allow. The Island of Giant Insects (Kyojuu Rettou) is exactly that. Originally a manga, this 2019 film adaptation is what we call 'schlock.' It’s designed to shock, gross you out, and provide a very specific kind of dark 'fanservice' that has zero place in a kid-friendly library.

Why the Science Doesn't Save It

The most frustrating part is that there’s a kernel of a good idea here. The main character, Mutsumi, is a genuine bug nerd. In a better film, her ability to identify pheromones or nesting habits to save her friends would be a great 'STEM-meets-survival' arc. Instead, the movie uses those facts as a thin justification for the next gruesome set piece.

The Safety Breakdown

If you're seeing this pop up on Crunchyroll or Amazon, be aware that it often sidesteps standard parental filters if you haven't locked them down tightly. Unlike a Marvel movie where the violence is stylized, the violence here is intimate and biological. It’s also worth noting the 'sexual' content isn't just nudity—it's often presented in a threatening or non-consensual context, which is the biggest red flag for any parent.

Better Alternatives

If your teen is into the 'trapped on an island' or 'survival' genre, steer them toward 7 Seeds or even the classic Dr. Stone for something that actually rewards scientific thinking without the trauma. The Island of Giant Insects is a bottom-tier exploitation flick that is best left ignored.

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