The BEST Episodes of Coil - A Circle of Children

Every episode ever - ranked by fan votes!

Last Updated: Apr 2, 2021

Network: NHK

Eleven years after the introduction of internet-connected, augmented reality eyeglasses and visors, Yūko Okonogi moves with her family to Daikoku City, the technological center of the emerging half-virtual world. Yūko joins her grandmother's "investigation agency" comprised of children equipped with virtual tools and powerful metatags. She quickly crosses paths with Yūko Amasawa, an expert hacker of the virtual environment, as Amasawa relentlessly seeks to "unlock" the mystery of a computer virus that emerges from an inaccessible corrupted space.

Yasako and Isako

#1 - Yasako and Isako

Season 1 - Episode 26 - Aired Dec 1, 2007

Yasako realizes the nature of Michiko, 4423, and the Coil Domain. Aided by her friends and family she must fight Michiko's grip on Isako and to avoid Nekome's desire to dispose of her consciousness.

star 8.70
10 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
Daichi Grows Hair

#2 - Daichi Grows Hair

Season 1 - Episode 12 - Aired Jul 28, 2007

The protagonists find a race of microscopic illegals growing on their faces. Yasako, utilizing a communication device devised by Megabaa, becomes heavily engaged in a god game-like relationship with the developing civilization. She attempts to use her divine influence to save the war-mongering race before it crumbles from a nuclear holocaust. In the wake of devastation, the illegals set out to find their "homeland".

star 8.64
14 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Kanazawa City Hazama Intersection

#3 - The Kanazawa City Hazama Intersection

Season 1 - Episode 25 - Aired Nov 24, 2007

Using the glasses that belonged to her deceased grandfather, Yasako travels to the other side to save Isako. Meanwhile, Megabaa finds out that they were mistaken on who 4423 really is.

star 8.40
10 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Door to Another World

#4 - The Door to Another World

Season 1 - Episode 18 - Aired Sep 29, 2007

Haraken catches a brief glimpse of Kanna before the collapse of Isako's gateway. Fearing for her nephew's life, Tamako confiscates his glasses. Meanwhile, obsolete space begins to invade Megabaa's shop as Kyōko, Fumie and Yasako spend the night.

star 8.36
11 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Final COIL

#5 - The Final COIL

Season 1 - Episode 22 - Aired Oct 27, 2007

Yasako and Isako, on the run from Megamass and a powerful new searchmaton, take refuge in Megabaa's store. There, it is discovered that Densuke has the potential to open a stable portal to "the other side", now known as "Coil Domain". It is revealed that Coil Domain, Michiko, Imago and Kirabugs are remnants of an experiment gone awry, covered up by the Megamass conglomerate.

star 8.30
10 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Dark Visitors

#6 - The Dark Visitors

Season 1 - Episode 19 - Aired Oct 6, 2007

After Kyōko is taken to the "other side", Yasako and Fumie evade the illegals and guide Kyōko's dennō body back to her real body with the help of Densuke.

star 8.27
11 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
COIL Cyber-Detective Agency

#7 - COIL Cyber-Detective Agency

Season 1 - Episode 2 - Aired May 19, 2007

Yasako and Fumie ask Yasako's grandmother, Megabaa, to cure Densuke of a deadly illness. In return Yasako agrees to join Megabaa's Detective Agency as their eighth member. Meanwhile Isako relentlessly searches for the "Keyhole". Deducing that it resides as an illegal in Densuke, she unleashes her virtual pets to capture him.

star 8.17
18 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
Daikoku City Heike Club

#8 - Daikoku City Heike Club

Season 1 - Episode 4 - Aired Jun 2, 2007

A frenzied dennō battle breaks out at school between Isako, Fumie, and Daichi's group, the Daikoku Hackers' Club. While Isako is the ultimate victor with Daichi's group completely subdued, Fumie manages to steal a piece of data from Amasawa that reads, "Michiko".

star 8.00
14 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
Kanna and Yasako

#9 - Kanna and Yasako

Season 1 - Episode 20 - Aired Oct 13, 2007

With Kanna's glasses, Haraken sneaks out once again to the "other side" where he finally makes amends with a digital apparition of her. Yasako ventures in to the rescue with Isako and Tamako's help. It is revealed that Tamako was the first person to open the gate to the "other side", and the meaning of the show's title, Dennō Coil, is the phenomenon of the separation of one's dennō body from their physical body.

star 8.00
11 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Granted Wish

#10 - The Granted Wish

Season 1 - Episode 23 - Aired Nov 10, 2007

Nekome, driven to reveal true nature and history of the "dennō" technology, tries to convince Isako to join her brother in Coil Domain using Densuke as a portal.

star 8.00
9 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Children Who Throw Away Their Glasses

#11 - The Children Who Throw Away Their Glasses

Season 1 - Episode 24 - Aired Nov 17, 2007

Alarmed at what happened to Isako, the children's parents take away their glasses.

star 7.90
10 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
Sunken! Daikoku City

#12 - Sunken! Daikoku City

Season 1 - Episode 11 - Aired Jul 21, 2007

Daichi, in a plot to acquire metabugs, catches and raises a fish-type illegal as a virtual pet. He eventually loses control of it as it floods Daikoku City with digital water.

star 7.87
15 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
Yuko and Yuko

#13 - Yuko and Yuko

Season 1 - Episode 3 - Aired May 26, 2007

Having captured Densuke, the Mojos deliver him to Isako. After separating the illegal from Densuke, Isako unsuccessfully attempts to "unlock" the organism with her key, causing nearby cyberspace to rupture. She reports the episode to a mysterious conspirator over the phone.

star 7.85
13 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Metabug Scramble Bus Tour

#14 - The Metabug Scramble Bus Tour

Season 1 - Episode 5 - Aired Jun 9, 2007

Isako leads the beaten and desperate Daikoku Hackers' Club on a metabug expedition over the fringes of Daikoku's cyberspace. During the expedition, Isako traps and assumes control of the Daikoku Hackers. Captivated by Isako's skill, Daichi asks to become her disciple.

star 7.83
12 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Last Plesiosaur

#15 - The Last Plesiosaur

Season 1 - Episode 13 - Aired Aug 4, 2007

The protagonists agree to aid Denpa in relocating a docile plesiosaur-type illegal, which he had previously been raising in an obsolete space now scheduled for reconstruction. The lonesome illegal, driven to find more of its kind, follows the children in a hazardous journey through the city.

star 7.83
12 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Young Boy Beyond the Station

#16 - The Young Boy Beyond the Station

Season 1 - Episode 15 - Aired Sep 8, 2007

Yasako, attempting to find the place where she first met 4423, meets a boy named Takeru who guides her through the neighborhood. Deducing that the place from her memories was a virtual space deleted by Searchmaton, Yasako heads home as Takeru reports the day's events to a mysterious collaborator.

star 7.83
12 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Dark Automaton

#17 - The Dark Automaton

Season 1 - Episode 21 - Aired Oct 20, 2007

As First and Third elementary merge for classes on the top floor of a Megamass office building, Isako finds herself involved in a conspiracy by Megamass to research obsolete space and the effects of Dennō Coil.

star 7.82
11 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Final Summer Vacation

#18 - The Final Summer Vacation

Season 1 - Episode 17 - Aired Sep 22, 2007

Haraken, tortured by the possibility that Kanna Ashihara still exists in "the other side", asks Isako to take him there.

star 7.70
10 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
Isako's Hospital Room

#19 - Isako's Hospital Room

Season 1 - Episode 16 - Aired Sep 15, 2007

For their research project, Haraken and Fumie find early records of dennō users who have passed out and reported hallucinations of "the other side". Meanwhile, Yasako spies on Isako as she visits her comatose brother. Deducing that he is 4423, Yasako confronts Isako with her realization that she has met her brother years ago.

star 7.55
11 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
Michiko-san from the Other Side

#20 - Michiko-san from the Other Side

Season 1 - Episode 9 - Aired Jul 7, 2007

The kids spend a dark and stormy night at school telling ghost stories and playing spooky dennō games. Isako uses the distraction to capture a kirabug manifested in the form of Michiko inside the school. Meanwhile, Haraken is briefly whisked away to "the other side".

star 7.50
10 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Children with Glasses

#21 - The Children with Glasses

Season 1 - Episode 1 - Aired May 12, 2007

Yasako and Kyōko arrive by train to Daikoku City. Their virtual pet dog, Densuke, goes missing when he falls into an abandoned zone of cyberspace occupied by an illegal. Yasako enlists the aid of Fumie, a detective from the Coil Dennō Detective Agency, to help rescue her pet. In their efforts, they attract the attention of Searchmaton.

star 7.46
26 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
In Action!! The COIL Detective Agency

#22 - In Action!! The COIL Detective Agency

Season 1 - Episode 7 - Aired Jun 23, 2007

Isako once again summons the kirabug illegal with the help of the Daikoku Hackers. However her plans are inadvertently disrupted by the pet detectives Yasako and Fumie working on an unrelated case. Isako eventually chases the rogue virus to a corrupted space on the school grounds.

star 7.42
12 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
Kanna's Diary

#23 - Kanna's Diary

Season 1 - Episode 10 - Aired Jul 14, 2007

Haraken, Fumie, and Yasako follow clues left by Haraken's former research partner, Kanna Ashihara. Meanwhile, Daichi is ejected from Isako's group due to his failure to defeat Fumie in a duel.

star 7.36
11 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Red Automaton

#24 - The Red Automaton

Season 1 - Episode 6 - Aired Jun 16, 2007

Yasako and Fumie begin an investigation into Haraken and Searchmaton. They attempt to test and map out Searchmaton's behavioral patterns and programming. Under pressure, Haraken reveals to Yasako and Fumie his familial connections to the administrators of Searchmaton and his motive for investigating viruses and illegals.

star 7.31
13 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso
The Summer Festival, and a Duel

#25 - The Summer Festival, and a Duel

Season 1 - Episode 8 - Aired Jun 30, 2007

Isako hatches a plan and asks Daichi to challenge the Coil detectives to a duel. Daichi, at the expense of his revived friendship with Fumie, reluctantly complies. Haraken recovers a mysterious metabug from his former research partner's lost pet.

star 7.17
12 votes
Directors: Mitsuo Iso
Writers: Mitsuo Iso