As of July 2026, Darker than Black Season 1 aired in 2007 with 25 episodes. Full episode guide and where to watch below.

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Darker than Black Season 1

2007 25 Episodes Animation · Action & Adventure ⭐ 8/10

Darker than Black Season 1 is currently streaming on major platforms, and it earns its premise rather than just borrowing genre trappings. Across 1 season, the show has had time to find its rhythm and keep it. Its 8/10 TMDB score, built from 256 ratings, reflects a title that consistently delivers. Hidenobu Kiuchi's performance is the anchor the more ambitious scenes need. Available now — press play and find out why people keep recommending it.

Part of the current wave of titles people are actually watching, Darker than Black Season 1 earns its spot. Darker than Black Season 1 treats its concept seriously enough to follow it all the way through. In Tokyo, an impenetrable field known as "Hell's Gate" appeared ten years ago. At the same time, psychics who wield paranormal powers at the cost of their conscience also emerged. Hei is one of the most powerful of these psychic agents, and along with his blind associate, Yin, works for one of the many rival agencies vying to unlock the mysteries of Hell's Gate. Hidenobu Kiuchi and Masaru Ikeda lead a cast that brings real weight to the material. It was aired in 2007. The world-building is meticulous enough to sustain multiple rewatches, with details early on that only make sense later. The hit rate here is high enough that skipping ahead never feels like an option.

Sci-fi fans who want ideas alongside the spectacle will find Darker than Black Season 1 genuinely rewarding. If you have run out of similar titles to watch, this is a strong next pick. Best experienced as a single, sustained watch if your schedule allows. Watch for Hidenobu Kiuchi in particular — the performance elevates the material. Satisfying on multiple levels.

📡 Where to Watch Darker than Black Season 1

Not currently available on major streaming platforms. Check back soon.

🎬 Darker than Black Season 1 — Episode Guide

The Star of Contract Flowed... (1)

Li Shanshun is a Chinese student just moving to Japan. Upon moving in his new apartment he meets a woman named Haraguchi. He sees here again that night, after observing the stars, and even saves her from getting caught by the cops. It seems Haraguchi is in something she shouldn't be as Li saves her ...

The Star of Contract Flowed... (2)

As Li and Haraguchi continue to avoid Alan and the other Contractors, Haraguchi reveals that her actual name is Chiaki Shinoda. She also says she will give him the information she received from Rui. Upon retrieving the information Lee leaves Chiaki behind and takes of with the information. But every...

The Nova Glitters in the Daybreak Sky... (1)

Not long after the appearance of the gate, a group went in to investigate the gate. Among the group only one man survived. Tahara now spends his time in his office taking care of the flower he found in the gate. But things are about to change as a group targets him for his research on contractors an...

The Nova Glitters in the Daybreak Sky... (2)

Things have taken a turn for the worse, with Tahara's daughter being a contractor, but not being able to control her powers. Now Mai has been kidnapped and the group responsible wants Tahara's research or they keep Mai. Things may not go as they plan when Hei gets involved. Will he be able to get Ma...

A Crimson Dream of Disaster Disappears in Eastern Europe... (1)

A group of Contractors, called MI-6, capture a once deadly Contractor called Havoc, who has lost her powers. Upon retreiving her they take her to Tokyo to be experimented on by the Pandora Institute. After watching a helicopter take Havoc away Misaki meets Jack Simon aka November 11. Later on as the...

A Crimson Dream of Disaster Disappears in Eastern Europe... (2)

Havoc is iterrogated by Hei on the whereabouts of Amber and Pai (Who is Hei's younger sister) Unfortunately, Havoc does not know anything useful. She offers to help Hei by approaching the Gate and recovering her memories and powers, but that only leads her to wanting her own death. With the MI6 agen...

The Gardenia Releases its Fragrance in the Early Summer Rain... (1)

Gai and Kiko get hired by a widow and are asked to find the widow's lost black cat. While trying to find the cat, they meet Hei, who is looking for the Contractor that is killing employers from that same company. As both Gai and Kiko continue to look, Gai comes across the skeleton of a woman who has...

The Gardenia Releases its Fragrance in the Early Summer Rain... (2)

As Gai investigates the murder of Toshiko he is attacked by the mind switching contractor, who wants his jacket back. Mao makes an attempt to steal the jacket and take off with it by switching bodies with a crow. He fails and must revert back to the cat body. Things don't look good for Mao when the ...

Girl's Pure White Dress Stained by Dreams and Blood... (1)

Misaki finds herself reunited with her old high school classmate, Alice, who is also the daughter of the boss of the Hong Kong mafia, Chen Long Tang, on the night of Alice's birthday party. At the party, Misaki finds that her working collaborate, Saitou, along with Hei, have snuck into the party as ...

Girl's Pure White Dress Stained by Dreams and Blood... (2)

After Hei and Misaki barely escape from Alice, Hei goes his separate way after Misaki and Saitou find each other. After Hei steals the crystal hidden within the stone flower garden, he runs into Wei and loses the crystal in the process. Wei finally meets up with Misaki and Saitou, who have found Ali...

Beyond the Gate, Recovering the Lost... (1)

When an explosion is set up to steal a meteor fragment from PANDORA headquarters, Hei is sent it to steal it before anyone else does. On his first day he meets up Corinna Moku, who breaks down not long after arriving at the gate, and Meena Kandaswamy, who is from the same organization as Hei and wil...

Beyond the Gate, Recovering the Lost... (2)

Nick and a few other researchers are sent into the restricted section of the Gate to retrieve what is to believed to be the meteor fragment. Everything goes wrong and the entire team ends up dead, except Nick. Now Hei realizes that Nick is a contractor too, who seems to have the same power, and he a...

On a Silver Night, the Heart Does not Sway on the Water's Surface... (1)

Hei, Yin, and Mao are targeted by a group of contractors and now must fight to survive. Things become problematic when Yin goes missing. Now Hei and Moa must find her before the enemy does, but things change when Yin's old piano teacher gets Gai and Kiko to find Yin for him. The race is on to find Y...

On a Silver Night, the Heart Does not Sway on the Water's Surface... (2)

Kastenin, Gai, and Kiko take Yin back to her home town, meanwhile Hei is given the order to kill Yin and is given her location. Getting to Yin is not going to be that easy since th contractors from before are still after Yin and have their own method to finding her. The race is on once more, but thi...

The Memory of Betrayal is an Amber-Colored Smile... (1)

A sunspot called the Great Dark Spot, that makes the sun look like an eye, is about to appear and the last time it appeared the gate in South America dissappeared. To make everything even more hectic a boy is going around setting off explosions in the city. But things continue to fall apart when Nov...

The Memory of Betrayal is an Amber-Colored Smile... (2)

The Stargazer of the Astronomical Bureau finally speaks, giving vague information on the Evening Primrose. November 11 kills Maki in a final showdown as Hei finally reaches Amber, who has taken Yin. Misaki also arrives at their location, but, with the help of Amber's contract, everyone escapes.

I'll Sing a Love Song at the Garbage Dump... (1)

Hei meets Sakurai Kenji of the Nakazawa Group, a clumsy yet ambitious young man. New characters are introduced who live in Hei's apartment building. Later, Kenji is given the assignment of taking care of a doll by his boss. Hei, Mao, Yin, and Huang try to find the doll, who is conveniently in the ha...

I'll Sing a Love Song at the Garbage Dump... (2)

Kenji falls for the doll, and they try to run away together with Hei's help. While out shopping, Hei is nearly identified by Kirihara Misaki as BK201, but Misaki doesn't see the relation between Li Shunsheng and BK201. Later, Kenji is caught and nearly killed by the boss, his brother, when Hei saves...

Without Dreaming Shallow Dreams, and Falling Drunk... (1)

Hei is sent to infiltrate a religious organization and kill the Prophet, Alma. He is aided by an insider, another Contractor by the name of Shihoko whom Huang appears to know. Amagiri and Alma appear to be in cahoots with Alma providing him with dolls. A well-meant mistake on Huang's part leads to S...

Without Dreaming Shallow Dreams, and Falling Drunk... (2)

The Organization orders Huang to kill Shihoko, and as a secondary directive secretly orders Mao and Hei to kill them and Alma if Huang fails. In Huang's past we see him falling for Shihoko, and then Shihoko killing his then police partner Isozaki. Isozaki's wife's memory is wiped by the ME, and Huan...

🎭 Cast of Darker than Black Season 1

Hidenobu Kiuchi

Hidenobu Kiuchi

Masaru Ikeda

Masaru Ikeda

Huang (voice)

Misato Fukuen

Misato Fukuen

Yin (voice)

Kiyomi Asai

Kiyomi Asai

July (voice)

Ikuya Sawaki

Ikuya Sawaki

Mao (voice) / Petya (voice)

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