What Are the Differences Between Japanese Anime and Its International Versions? An Explanation of Content Restrictions and the Reasons Behind Name Changes

Japanese anime is now a global phenomenon that enjoys explosive popularity around the world.
But did you know that there are numerous differences between the anime we usually watch in Japan and the anime broadcast or streamed overseas—such as content restrictions, name changes, and music substitutions?

Questions like, “Why is Sanji’s cigarette a Chupa Chups?” and “Why is an onigiri called a sandwich?” are all the result of “localization”—adapting the content to the cultures, laws, and broadcasting standards of each country.

In this article, we’ll clearly explain the main changes that occur when Japanese anime is adapted for international audiences, along with specific differences in seven representative anime series, using comparison charts and detailed explanations.

Three Major Differences Between Japanese Anime and Its International Versions

Japanese anime broadcast or streamed overseas undergoes modifications—primarily from the following three perspectives—to take into account the impact on local viewers (especially children) and the local cultural context.

1. Content Restrictions (Violence, Blood, Tobacco, Religion, Sexual Content)

The biggest difference is “content restrictions.”
In Japan, not only late-night anime but also anime broadcast in the evening and morning time slots are permitted to include a certain amount of bloodshed, combat scenes, and depictions of characters smoking or drinking.

However, particularly in the West—such as the United States—there is a strong perception that “anime is for children,” and broadcasting standards (such as FCC regulations) are extremely strict.
As a result, modifications are made, such as replacing cigarettes with candy or removing blood.

2. Changes to Character Names, Proper Nouns, and Culinary Culture

In many cases, character names and place names are changed to familiar English names or local names to make it easier for international viewers to relate to the story.

In addition, Japan’s unique food culture and customs are also subject to adaptation. A
well-known example is the phenomenon where “onigiri,” which appear in the story, are reimagined as “sandwiches” or “doughnuts” in international versions, or even replaced entirely in the animation.

3. Changing the BGM, Sound Effects, and Opening Theme

The theme songs and background music used in the original Japanese version are sometimes completely replaced with locally produced music in the international versions.

This is due to the complexity of rights issues (copyright clearance for the songs) and a marketing strategy aimed at making the content more appealing to local audiences by featuring music that aligns with local trends (such as hip-hop and rock).

[At a Glance] Comparison Chart of Japanese and International Versions of 7 Popular Anime Series

First, let’s take a look at a table summarizing the main differences between the “Japanese versions” and “international versions” of seven representative works.

7 Must-Watch Anime! Specific Changes and Episodes in the International Versions

From here on, I will provide a detailed explanation of the specific changes made to each title in their international versions.

1. Dragon Ball

“Dragon Ball” is a landmark battle anime beloved around the world, but the early broadcast versions in North America and other regions were heavily edited.

• In scenes depicting severe damage—such as the one where Cutladi
  , covered in blood and wounds, is pierced by Goku’s Makankosappo—the blood has been removed, and the wounds have been restored to skin color.
• Mr. Popo's Skin Color
  : In some North American broadcasts, Mr. Popo's character design—which featured dark skin and red lips—was changed to yellow (or blue) to avoid the character being perceived as a form of racist caricature (blackface).
• Changes
  to the Halo (Angel's Halo): There was a time when the halo above the heads of deceased characters was changed to a "glowing sphere" to avoid religious connotations.

2. NARUTO

“NARUTO,” a series centered on ninjas, enjoys immense popularity overseas as well, though the depictions of “bladed weapons” and “assassination”—elements unique to ninjas—have been toned down.

• Localization of Catchphrases
  : The protagonist Naruto’s famous catchphrase, “~datteba yo,” cannot be translated literally, so in English-speaking regions, it was adapted to “Believe it!” to match his lip movements.
• Scenes showing Zabzu's decapitation knife or kunai blades directly piercing a character's
  body are either blurred out or cut away just before the attack lands.
• In the cigarette-related scenes featuring Asuma
  Sarutobi and Shikamaru, the cigarettes have either been edited so they are unlit or the smoke has been removed.

3. Slam Dunk (SLAM DUNK)

“Slam Dunk,” which sparked a basketball boom, has been localized very differently in Asia compared to Europe and the Americas.

• Differences in Names Between Asia and the West In Asian countries such as
  Taiwan, South Korea, and China, the series was localized faithfully based on the original kanji spellings, resulting in explosive popularity.
  On the other hand, in some parts of Europe and the United States, the name “Hanamichi Sakuragi” was either left as is to make it easier for viewers to pronounce, or completely converted to an English name.
• Episodes containing graphic depictions of violence—such as fight
  scenes involving gangs and brawls in the gym—were edited in some countries where they were broadcast, with scenes either cut or shortened.

4. Yu Yu Hakusho

“Yu Yu Hakusho,” a dark fantasy series that defined the 1990s, centers on themes such as “death,” “monsters,” and “the spirit world,” and as a result, it has undergone numerous edits due to religious concerns and educational considerations.

• Censorship
  of Underage Smoking and Drinking: Although the protagonist, Yusuke Urameshi, is a middle school student, there are scenes depicting him smoking, drinking alcohol, and gambling; however, in the international version, these scenes were either completely removed or altered to show him simply drinking juice.
• Religious Terms Replaced
  : Concepts such as "spirit world," "hell," and "King Yama" have been replaced with abstract terms like "Spirit Realm" to avoid causing misunderstandings among viewers in Christian-influenced regions.

5. One Piece (ONE PIECE)

The most famous example of content restrictions in international versions is *ONE PIECE*. In
particular, the edited version produced by “4Kids Entertainment,” which once held the broadcast rights in North America, is still the subject of much discussion among fans today.

• Sanji's Cigarette Becomes a Chupa Chups
  : The cigarette that Sanji always has in his mouth has been completely replaced with a lollipop. The visual effects showing
  smoke have also been removed.
• The "guns" used by the navy and pirates have been turned into "water guns."
  Real pistols and rifles have been replaced—along with their graphics—with colorful water guns and pop guns that look like children's toys.
• The pirate ship emblem and the blood-stained
  skull symbol (which evokes death) have been altered, and all scenes showing Zoro and Luffy bleeding have been edited to show their skin looking clean and unblemished.

6. Pokémon (Pocket Monsters / Pokémon)

“Pokémon” is often cited as a prime example of a highly successful international localization.

• Extensive English Renaming of Character Names
  : With the exception of a few, such as the protagonist “Satoshi” (renamed “Ash Ketchum”) and “Pikachu,” the names of many Pokémon and characters were renamed for English-speaking audiences (e.g., Takeshi → Brock, Kasumi → Misty).
• In
  the anime adaptation of *Japanese Food Culture*, the “onigiri” that Satoshi and his friends eat are referred to in the dialogue as “donuts” or “sandwiches” because they are unfamiliar to American children; in some cases, the animation itself was redrawn to depict them as sandwiches.

7. Yu-Gi-Oh!

“Yu-Gi-Oh!,” which became a global hit as a card game, features significant differences not only in the animation’s visual style but also in the illustrations on the actual trading cards.

• The Ankh (an ancient Egyptian cross) depicted on the "Resurrection"
  magic card—which features a cross design—was changed in international editions to an original design resembling a blue-glowing key, out of consideration for Christian and religious sensitivities.
• A Change
  in the Concept of "Death" In the international version, the plot point where a character "dies after losing the Game of Darkness" was changed to "is exiled to the Shadow Realm," a change made to avoid using the word "death" directly.
• Level
  of Nudity in Female Monsters: The level of exposure in the cleavage and costumes of characters such as "Black Magician Girl" has been toned down in the international versions of the cards and in the anime series.

Why Is There Such a Big Difference? The Underlying Factors of “Culture and Regulation”

There are three main reasons behind such a significant difference between Japan and other countries.

1. Differences in Perceptions of Target Audiences: In Japan,
   anime is carefully segmented into categories for adults, young adults, and children, but overseas (particularly in North America), it has long been common practice to classify “anime broadcast on television” as “content for children.”
   As a result, anime was subject to the strict regulations governing children’s programming (such as guidelines from the PTA and broadcasting organizations).
2. Differences in Religious and Ethical Views: In countries
   outside Japan—particularly in Christian-majority nations—people are very sensitive to symbols and concepts such as “death,” “the devil,” “heaven and hell,” and “the cross.” To avoid causing
   religious controversy, expressions are toned down.
3. In Europe and the United States, where many countries are
   multicultural, there is a very critical view of stereotypical racial depictions and sexual nudity. Revisions to ensure
   social justice (from the perspectives of the SDGs and DEI) are essential.

Summary: Understanding the Differences from the International Version Will Deepen Your Enjoyment of the Anime!

At first glance, the “localization” process that Japanese anime undergoes when it is released overseas might seem like a distortion of the original creator’s intent.
However, these adjustments were also made to comply with local laws and cultural norms, ensuring that the works could be safely and enjoyably shared with a wider audience.

In recent years, with the growing popularity of video streaming services such as Crunchyroll and Netflix, an increasing number of fans overseas are enjoying the same “uncut, subtitled versions” as those available in Japan in real time.

However, analyzing the unique censorship measures and name changes applied to past international releases can be a great way to learn about the cultural and value differences between countries.
Why not look up the “international version” of your favorite anime and compare it to the Japanese version?