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Season guide

World Trigger: Season 1

73 episodes Premiered Oct 5, 2014 Updated Jul 27, 2026

World Trigger is a Japanese anime television series. The series revolves around a gate to another dimension that has burst open, allowing gigantic invincible creatures known as Neighbors to emerge and threaten humanity. These creatures pose a significant threat to the people of Mikado City. A group of warriors has co-opted alien technology to fight back against the Neighbors. The series is classified as an animation,

Season overview

World Trigger is a Japanese anime television series. The series revolves around a gate to another dimension that has burst open, allowing gigantic invincible creatures known as Neighbors to emerge and threaten humanity. These creatures pose a significant threat to the people of Mikado City. A group of warriors has co-opted alien technology to fight back against the Neighbors. The series is classified as an animation, action and adventure, and science fiction and fantasy television show.

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Season 1 Episodes

Episode Guide

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Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

8%
92%
Mytharc (6): Crucial lore & season climaxes
Core (67): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Visitor from the Other World

Oct 5, 2014 · 23 min

Approximately four years ago, a gate to another world opened in Mikado City, and invaders called Neighbors appeared.

S1·E2 Core

Neighbor and Trion Soldier

Oct 12, 2014 · 23 min

Border sees the Neighbor Yuma as an enemy… but Osamu is unable to view him as someone with hostile intentions, and trust begins to bloom between the two boys. Osamu finds himself c

S1·E3 Core

Osamu Mikumo's Ability

Oct 19, 2014 · 23 min

Combat-use Trion Soldiers attack when a gate opens in Osamu’s school just outside of the Forbidden Zone. Worried he’s not strong enough, Yuma tries to stop Osamu from fighting back

S1·E4 Core

Ai Kitora, A-Rank No.5 Agent

Nov 2, 2014 · 23 min

Osamu gets more trouble than credit when he claims to have defeated Trion Soldier Marmod. Really, he’s covering for the Neighbor, Yuma. Kitora, an A-rank Border Agent, is furious w

S1·E5 Core

Power Elite, Yuichi Jin

Nov 9, 2014 · 23 min

Kitora boldly jumps onto the back of Ilgar, a new type of Trion Soldier, while it’s mid-flight and bent on attacking the city below. Suddenly, Ilgar transforms, enters self-destruc

S1·E6 Core

Chika Amatori's Side Effect

Nov 16, 2014 · 23 min

Yuichi and Osamu's critical mission to investigate the abnormal gate puts a lot of pressure on Osamu. Meanwhile, Yuma follows Replica’s advice and conducts an investigation of his

S1·E7 Core

Miwa Squad's Assault

Nov 23, 2014 · 23 min

Osamu reaches out to Yuma and Replica. He and Chika learn some critical information about Neighbors from Yuma, but they're soon discovered by two A-Rank agents, Shuji and Yosuke; t

S1·E8 Core

Black Trigger

Nov 30, 2014 · 23 min

A-rank agents Shuji Miwa and Yosuke Yoneya make an assault on Yuma without even asking what happened. Osamu calls Jin to help.

S1·E9 Core

The Organization Known as Border

Dec 7, 2014 · 23 min

With Shuji's squad singlehandedly defeated, the Border Agency's executives order Yuichi to defeat Yuma and recover the Black Trigger. Osamu worries about Yuichi's impending clash,

S1·E10 Core

Tamakoma Branch

Dec 14, 2014 · 23 min

Jin encourages Yuma to join the Tamakoma branch. Yuma accepts it if he can team up with Osamu and Chika.

S1·E11 Core

The Determination of Each One

Dec 21, 2014 · 23 min

Osamu hears from Replica about why Yuma came to this world, and from Chika about her true feelings.

S1·E12 Core

A-Rank Agents of Tamakoma

Dec 28, 2014 · 23 min

Osamu, Yuma and Chika decide to join Tamakoma branch to go to Neighbor world as A-rank agents of the expedition force. They go into rigorous training from Tamakoma First Unit in or

S1·E13 Core

Border Top Team

Jan 11, 2015 · 23 min

Commander Kido fears that Tamakoma branch will become too powerful. He orders A-rank agents who belong to the headquarters to take Yuma's black trigger.

S1·E14 Core

Miwa Corps

Jan 18, 2015 · 23 min

The battle between the A-Rank attack unit and Yuichi Jin begins to rage. In the face of top-level agents, Yuichi tries to turn it into a test of endurance. But just as Shiro Kikuch

S1·E15 Mytharc

Black Trigger Wind Blade

Jan 25, 2015 · 23 min

Yuichi finally reveals his "Wind Blade" technique with the Black Trigger. As his battle with A-Rank vets Kei and Soya reaches its climax, the Arashiyama Unit shows up in support an

S1·E16 Core

To the Future

Feb 8, 2015 · 23 min

Yuichi Jin and the Arashiyama Unit repel the enemy. Receiving news of their elite squad's defeat, the Border Agency's headquarters starts to get nervous.

S1·E17 Core

Border Official Enlistment

Feb 15, 2015 · 23 min

The day of Yuma and Chika's initiation into the Border Agency arrives. Osamu nervously stands by in support, while they draw the scrutiny of their new peers. At that time,

S1·E18 Core

Mikumo Shu VS Kazama Souya

Feb 22, 2015 · 23 min

Osamu readies for his practice fight against Soya Kazama. Soya is a symbol of overwhelming strength, while Osamu has yet to land a hit in over twenty battles!

S1·E19 Core

Ranking Battle! Midorikawa Jun's Strategy

Mar 1, 2015 · 23 min

Osamu doesn't know how to deal with his new reputation as "the guy who tied with Soya Kazama". He is soon challenged by one of his fellow agents to a Rank War.

S1·E20 Core

Duel! Yuma VS Midorikawa

Mar 8, 2015 · 23 min

Yuma and Shun Midorikawa's fight begins. Yuma quietly rages over Shun's humiliating public defeat of Osamu. How will he fight against the A-rank vet? Meanwhile, Commander Kido conv

S1·E21 Core

Neighbor's World

Mar 15, 2015 · 23 min

The Border brass puts together a strategy based on Replica's information about Neighborhood. Meanwhile, Yuichi Jin senses impending danger for Osamu and asks Shuji Miwa for help. A

S1·E22 Core

A Large-Scale Invasion Starts

Mar 22, 2015 · 23 min

The Neighbors' large-scale invasion finally begins. The invading army of Trion soldierrs is countered with a defense strategy. Just as the battle seems to turn in Border's favor, a

S1·E23 Core

The Holy Land, AftoKrator

Mar 29, 2015 · 23 min

Border seeks a way to counter the new Trion soldier, Rabbit. Yuma prevents Trion soldiers from infiltrating the city, but is mistaken for the enemy and attacked by the B-rank Chano

S1·E24 Core

Nestling from Mysterious World

Apr 5, 2015 · 23 min

Trion soldiers from Aftokrator appear all over Mikado City. Border is forced to divide its forces to deal with their numbers. Chika's C-rank unit is attacked while organizing the c

S1·E25 Core

Best Force in Border

Apr 12, 2015 · 23 min

The C-rank units are revealed to be the true target. The battle intensifies as Hyrein sends humanoid Neighbors Enedora and Ranbanein into combat. Osamu fights to give the C-ranks a

S1·E26 Core

Fierce Fight! Enedora vs. Kazama Squad

Apr 19, 2015 · 23 min

Aftokrator's humanoid Neighbors are unveiled. These so-called Horn Triggers overwhelm the Border agents with powerful Triggers! The A-rank Kazama Unit uses Kikuchihara's Side Effec

S1·E27 Core

Counterattack of Border

Apr 26, 2015 · 23 min

Kizaki, Karauma and Konami fight the sinister Hyuse and Viza so that Osamu and Chika can escape. Meanwhile, Ranbanein easily defeats Chano unit and takes on Yoneya, Izumi, Midorika

S1·E28 Core

Star Wand Master

May 3, 2015 · 23 min

Kizaki has figured out Hyuse's Trigger, Lambiris. He orders Karasuma and Konami to protect the city while he holds off Hyuse and Viza.

S1·E29 Core

Crossroads of Destiny

May 10, 2015 · 23 min

Viza and Hyuse continue to pursue Chika, but Yuma and Jin arrive just in time. Yuma faces off against Viza while Jin battles Hyuse. Osamu and Karasuma lead Chika and the C-rank age

S1·E30 Core

Enemy Commander High Rain

May 17, 2015 · 23 min

Suwa unit traps Enedora in a virtual training room. Director Shinoda goes to offer them back-up, and the tides begin to turn for Border. Mira's 7 Rabits block the evacuees led by O

S1·E31 Core

Mikumo Osamu's Consciousness

May 24, 2015 · 23 min

Hyrein's attack turns Chika into a cube. Osamu blames himself, but is inspired by his fellow Border agents to race for Border HQ in an attempt to save Chika

S1·E32 Core

Implacable Enedora

May 31, 2015 · 23 min

Director Shinoda corners Enedora in the virtual training room. However, Enedora's powerful Black Trigger attack are more than a match for the Border agents' group attacks. Meanwhil

S1·E33 Core

The Terror of Hyrein

Jun 7, 2015 · 23 min

Karasuma uses his personal trigger Geist against Hairein. He can gain strength and speed, but he has only 200 seconds left to be able to fight.

S1·E35 Core

The End of the Battle

Jun 21, 2015 · 23 min

Yuma defeated Viza, but he has a few Trion left. Miwa was moved away from Osamu by Mira's trigger. Now there are only seven seconds left until the turning point of the future!

S1·E36 Core

The Have-not

Jun 28, 2015 · 23 min

Aftkrator withdrew from our world and the 2nd large-scale invasion is over. Although Chika was saved, Osamu lost conscious. Osamu remembers why he joined Border in his dream.

S1·E37 Core

A Hero and a Partner

Jul 5, 2015 · 23 min

Osamu becomes conscious, and talks with Yuma after hearing the situation from his mother and Chika. One of higher-ups Karasawa takes him to the press conference by Border.

S1·E38 Core

B-Rank Wars Begin

Jul 19, 2015 · 23 min

Many journalists ask the higher-ups of Border about responsibility for damage caused by the battle. Osamu hears about Netsuki's plan from Karasawa, and then he steps forward in fro

S1·E39 Core

Suwa Squad and Arafune Squad

Jul 26, 2015 · 23 min

Yuma and Chika won their first Rank Battle as Tamakoma Second Unit in front of injured Osamu. Their next opponents are the 8th place, Suwa Unit, and the 10th place, Arafune Unit. O

S1·E40 Core

Setting off! Mikumo Squad

Aug 2, 2015 · 23 min

Osamu recovered and rejoined his unit. Tamakoma Second had the right to choose the location this time, and they chose an urban stage with difference of elevation that snipers like.

S1·E41 Core

An Impertinent Rookie

Aug 9, 2015 · 23 min

The match seemed that it would favor the unit with the most snipers, but Arafune Unit is being driven into a corner by rest of two units. Arafune used to be an attacker, so he laun

S1·E42 Core

Ko Murakami of Suzunari-1

Aug 16, 2015 · 23 min

Tamakoma Second's next opponents are the 13th place, Nasu Unit, and the 9th place, Suzunari First Unit. Yuma gets a chance to challenge the attacker of Suzunari First, Kou Murakami

S1·E43 Core

Nasu Squad's Choice

Aug 23, 2015 · 23 min

Murakami's side effect is especially troublesome issue. Osamu thinks about how to prepare for the next Rank Battle.

S1·E44 Core

The Battle in the Foul Weather

Aug 30, 2015 · 23 min

The Rank Battle started. Nasu Unit takes tactical actions as planned in the storm. However, Chika's sniping changes the whole situation.

S1·E45 Core

The Thing That Decides the Battle

Sep 6, 2015 · 23 min

The agents have been divided into east and west across the river. On the west side, a three-way battle between the attackers begins.

S1·E46 Core

The Ace's Willpower

Sep 20, 2015 · 23 min

On the east side, Kuruma and Betsuyaku are at the mercy of Nasu's shooting. Osamu doesn't want them to be defeated faster than him, so he support them. On the west side, Yuma enjoy

S1·E47 Core

The Captain's Pride

Sep 27, 2015 · 23 min

Chika breaks the bank of the river by her sniping, and draws the water into the city. Osamu wants Yuma to join him as soon as possible.

S1·E48 Core

And Towards the Future

Oct 4, 2015 · 23 min

Mikumo Squad joins the B-rank upper tier. The fight against the top B-rank squads will be a touchstone for promotion to A-rank. Anticipating this, Osamu struggles with his inabilit

S1·E49 Core

Fugitives from Another World

Oct 11, 2015 · 23 min

Start of World Trigger new arc, Toubousha-hen. Unknown Trion soldiers show up at Border HQ. Jin and Tachikawa take them on.

S1·E50 Core

Invisible Assailants

Oct 18, 2015 · 23 min

Zeno, a refugee from Elgates, begs Yuma and Osamu to harbor Lilith and him during their stay in this world. With Chika taken hostage, Osamu and Yuma have no choice but to agree. As

S1·E51 Core

Xeno's Trion Soldiers

Oct 25, 2015 · 23 min

Kazama Squad heads into combat as Gojima City is attacked by new Trion soldiers. Osamu tries to befriend Zeno and Lilith. Zeno offers to reveal his past, if Osamu will agree to a o

S1·E52 Core

The Sunset of Meeden

Nov 1, 2015 · 23 min

Despite Lilith's best efforts, she can't hide her loneliness. Chika and Osamu work with Kitora and Midorikawa to try and cheer her up. At that moment, Karon and Gieve make their mo

S1·E53 Core

The One that Shall Be Saved

Nov 8, 2015 · 23 min

While studying with Yoneya and Kodera, Miwa sees young siblings and is reminded of his past. The peace is shattered by an attack from Gieve's Spider-type Trion Soldiers.

S1·E54 Core

Giev's Thrust

Nov 15, 2015 · 23 min

Zeno's devotion to Lilith leads him to treat Yuma and Chika like tools, enraging Osamu. Meanwhile, Gieve and Karon threaten Shizuka City with massive Trion soldiers! As Osamu's tea

S1·E55 Core

Dead or Alive

Nov 22, 2015 · 23 min

Arashiyama Squad gathers Border's aces! Arafune and Murakami join in the battle, destroying Gieve's Trion soldiers. But Gieve's plot to blow up Shizuka City using massive Trion sol

S1·E56 Core

The Secret of Lilith

Nov 29, 2015 · 23 min

Shiori takes Yuma, Osamu, and Chika on a relaxing trip to Shizuka Marine World with Zeno and Lilith. But the peace is interrupted by an attack by Gieve's powerful Trion soldiers. L

S1·E57 Mytharc

Xeno and Lilith

Dec 6, 2015 · 23 min

Lilith reveals her true power in order to save Xeno and Yuma.

S1·E58 Core

The Captured Osamu

Dec 13, 2015 · 23 min

Yuma, Chika and Xeno take the fight to the enemy in order to rescue Osamu. However, a cunning trap separates them, forcing Yuma into a one-on-one fight against Giev. A Trion soldie

S1·E59 Core

The Two Black Triggers

Dec 20, 2015 · 23 min

Zeno and Chika find Osamu, while Yuma continues his fight against Giev. He struggles against Giev and Charon's skillful coordination, so similar to what he had with Replica. At the

S1·E60 Core

The Adventure of Yotaro

Dec 27, 2015 · 23 min

Yotaro heads towards Shizuka City with Raijinmaru, hoping to catch up to Konami. He meets a troubled young girl named Cocoa and befriends her. As a violent fight between Border age

S1·E61 Core

Truth and Lies

Jan 10, 2016 · 23 min

Gieve and Charon begin their attack on Yuma.

S1·E62 Core

Giev and Charon

Jan 17, 2016 · 23 min

Giev's secret is revealed. Just like Lilith, he's a Humanoid Trion Soldier created by Lamia. Meanwhile, all of Shizuka City's citizens become Charon's hostages. Tachikawa, Kazama a

S1·E63 Core

A Reversed Future

Jan 24, 2016 · 23 min

Xeno's hand cuts thin air, and monster Gieve takes in Lilith and takes on a grotesque form.

S1·E64 Core

A Prisoner from Aftokrator

Jan 31, 2016 · 23 min

Soon after meeting and parting with Xeno and Lilith, Yuma, Osamu and Chika begin preparing for their promotion battle.

S1·E65 Core

No.1 Shooter, Masataka Ninomiya

Feb 7, 2016 · 23 min

Aftokrator's Black Trigger user, Enedora, is alive! Enedora sheds new light on the Large Scale Invasion and the reason that Chika was targeted. Meanwhile, B-Rank No. 1 team leader

S1·E66 Core

Sharpened Fangs

Feb 14, 2016 · 23 min

Tamakoma-2 starts individual training in preparation for the B-Rank rank wars. Osamu visits Arashiyama for shooter training. Chika meets a young boy during group sniper training. Y

S1·E67 Core

The Battle of the B-Rank Top Teams

Feb 21, 2016 · 23 min

During their brief encounter, Yuuma senses Kageura's limitless skill. Osamu receives shooter training from Arashiyama and Izumi, allowing him to truly contribute to the team. If th

S1·E68 Core

The Targeted Tamakoma

Feb 28, 2016 · 23 min

Ninomiya Squad, Kageura Squad, Azuma Squad and Mikumo Squad face off! As tensions mount, each team targets Osamu and closes in. Meanwhile, the two strongest B-Rank agents, Ninomiya

S1·E69 Mytharc

A Battle Royal

Mar 6, 2016 · 23 min

Osamu is quickly knocked out of combat by Azuma, former leader of an A-Rank No. 1 team. Chika tries to overcome her inability to fire on humans, but her sniping reveals her locatio

S1·E70 Core

A Captain's Duty

Mar 13, 2016 · 23 min

Yuuma faces Kageura. Ninomiya takes advantage of this to attack them both. After the battle, Osamu is devastated by his defeat. Kazama's advice leads him to make a major decision f

S1·E71 Core

A New Threat

Mar 20, 2016 · 23 min

Shinoda announces an imminent invasion by a new Neighbor country. Tachikawa and Kazama Squad are assigned to deal with the threat, based on Jin's predictions. Osamu follows Jin's s

S1·E72 Mytharc

An Evolving Mikumo Squad

Mar 27, 2016 · 23 min

After the Rank Wars against the B-Rank upper tier squads, Mikumo Squad tries to up their game. Yuzuru gives Chika an idea for overcoming her weaknesses, and Osamu gathers informati

S1·E73 Mytharc

To the Future

Apr 3, 2016 · 23 min

Osamu continues to try to improve himself, Chika confronts her faults, and Yuuma has faith in them. Mikumo Squad's losses in the B-Rank Rank Wars motivate them further. As a new Ne