What is Dementia anime?

Stories that have mind-destroying plots. The goal of dementia stories is to mess with the audience's mind through the characters progress into insanity.

Trending Dementia Anime You might like

Neon Genesis Evangelion: The End of Evangelion

(Neon Genesis Evangelion: The End of Evangelion)

8.21

Description:

With the final Angel vanquished, Nerv has one last enemy left to face—the humans under Seele's command. Left in a deep depression nearing the end of the original series, an indecisive Shinji struggles with the ultimatum presented to him: to completely accept mankind's existence, or renounce humanity's individuality. Meanwhile, at the core of a compromised Nerv, Gendou Ikari and Rei Ayanami approach Lilith in an attempt to realize their own ideals concerning the future of the world. The End of Evangelion serves as an alternate ending to the polarizing final episodes of Neon Genesis Evangelion. With the fate of the universe hanging in the balance, the climactic final battle draws near. (Source: MAL Rewrite)
Type

movie

Episodes

1

Ep.Length

87 Min

Rating

Mild Nudity

Status

finished

Aired

1997-07-19

Neon Genesis Evangelion

(Neon Genesis Evangelion)

8.21

Description:

In the year 2015, the world stands on the brink of destruction. Humanity's last hope lies in the hands of Nerv, a special agency under the United Nations, and their Evangelions, giant machines capable of defeating the Angels who herald Earth's ruin. Gendou Ikari, head of the organization, seeks compatible pilots who can synchronize with the Evangelions and realize their true potential. Aiding in this defensive endeavor are talented personnel Misato Katsuragi, Head of Tactical Operations, and Ritsuko Akagi, Chief Scientist. Face to face with his father for the first time in years, 14-year-old Shinji Ikari's average life is irreversibly changed when he is whisked away into the depths of Nerv, and into a harrowing new destiny—he must become the pilot of Evangelion Unit-01 with the fate of mankind on his shoulders. Written by Hideaki Anno, Neon Genesis Evangelion is a heroic tale of a young boy who will become a legend. But as this psychological drama unfolds, ancient secrets beneath the big picture begin to bubble to the surface... (Source: MAL Rewrite)
Type

TV

Episodes

26

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

1995-10-04

Perfect Blue

(Perfect Blue)

8.2

Description:

Perfect Blue revolves around the main protagonist, Mima Kirigoe, a member of a pop idol group named “CHAM!”. After evaluating her situation, she decides to give up her idol status to pursue a career as an actress, what she believes to be the next step in making a name for herself in the industry. However, one of her most hardcore fans, Me-Mania, is less than happy about the path she has decided to take. Now reborn as an actress, Mima accepts an interesting role, ignoring her manager, Rumi Hidaka's reservations about it. While on set, strange things begin to happen to people who are involved with the film. As time goes on, Mima begins to break down mentally, struggling to distinguish fantasy from reality. Will Mima be able to escape the grip of her stalker and turn in a break out performance, or will she descend into madness?
Type

movie

Episodes

1

Ep.Length

80 Min

Rating

Mild Nudity

Status

finished

Aired

1998-02-28

FLCL

(FLCL)

8

Description:

Nothing interesting happens in Naota's life since his brother left for America, leaving him with his grandfather and father in their boring little town. On his way home with Mamimi—his brother's ex-girlfriend—a pink-haired, crazy woman riding a Vespa, named Haruko, suddenly slams into him, kisses him, and then bashes him in the head with her guitar before riding off. The next thing he knows, the crazy girl is working as his housekeeper, two robots sprout from his forehead to do battle, and the surviving one starts living with him as well. I think it's fair to say that Naota has parted ways with his old mundane life.FLCL is a kooky coming-of-age story with surprisingly deep undertones as the twelve-year-old Naota develops through the wild antics of Haruko and matures along the way into adulthood.
Type

OVA

Episodes

6

Ep.Length

25 Min

Rating

Teens 13 or older

Status

finished

Aired

2000-04-26

Serial Experiments Lain

(Serial Experiments Lain)

8

Description:

Lain Iwakura, an awkward and introverted fourteen-year-old, is one of the many girls from her school to receive a disturbing email from her classmate Chisa Yomoda—the very same Chisa who recently committed suicide. Lain has neither the desire nor the experience to handle even basic technology; yet, when the technophobe opens the email, it leads her straight into the Wired, a virtual world of communication networks similar to what we know as the internet. Lain's life is turned upside down as she begins to encounter cryptic mysteries one after another. Strange men called the Men in Black begin to appear wherever she goes, asking her questions and somehow knowing more about her than even she herself knows. With the boundaries between reality and cyberspace rapidly blurring, Lain is plunged into more surreal and bizarre events where identity, consciousness, and perception are concepts that take on new meanings. Written by Chiaki J. Konaka, whose other works include Texhnolyze, Serial Experiments Lain is a psychological avant-garde mystery series that follows Lain as she makes crucial choices that will affect both the real world and the Wired. In closing one world and opening another, only Lain will realize the significance of their presence. [Written by MAL Rewrite]
Type

TV

Episodes

13

Ep.Length

23 Min

Rating

17+ (violence & profanity)

Status

finished

Aired

1998-07-06

Shoujo Kakumei Utena: Adolescence Mokushiroku

(Revolutionary Girl Utena: The Adolescence of Utena)

7.69

Description:

In a loose retelling of the Revolutionary Girl Utena TV series, Utena Tenjou arrives at Ohtori Academy, only to be immediately swept up in a series of duels for the hand of her classmate Anthy Himemiya and the power she supposedly holds. At the same time, Utena reunites with Touga Kiryuu, a friend from her childhood who seems to know the secrets behind the duels. Utena must discover those secrets for herself, before the power that rules Ohtori claims her and her friends, new and old. (Source: ANN)
Type

movie

Episodes

1

Ep.Length

90 Min

Rating

Mild Nudity

Status

finished

Aired

1999-08-14

Mind Game

7.64

Description:

Nishi has always loved Myon since they were little. And now as adults, he wants to pursue his dream of becoming a manga artist and marrying his childhood sweetheart. There's one problem, though. She's already been proposed to and she thinks Nishi is too much of a wimp. But upon meeting the fiancé while at her family's diner and accepting him as a good guy, they encounter a couple Yakuza (Japanese mafia), only to have Nishi grasp a certain revelation. And, with his newly aquired look on life, adventures abound as he, Myon, and her sister Yan escape the Yakuza into a most unlikely location where they meet an old man... (Source: ANN)
Type

movie

Episodes

1

Ep.Length

104 Min

Rating

17+ (violence & profanity)

Status

finished

Aired

2004-08-07

RE:cycle of the PENGUINDRUM: Zenpen - Kimi no Ressha wa Seizon Senryaku

(Re:cycle of Penguindrum Part 1: Your Train is the Survival Strategy)

7.56

Description:

The first film in a duology compiling the Mawaru Penguindrum anime with new elements.
Type

movie

Episodes

1

Ep.Length

125 Min

Rating

Violence

Status

finished

Aired

2022-04-29

Itte.

(Say It.)

7.54

Description:

Music video directed by Ootori for Yorushika's song Itte. It is the third track from their first mini-album "Natsukusa ga Jama wo Suru."
Type

music

Episodes

1

Ep.Length

4 Min

Rating

All Ages

Status

finished

Aired

2017-06-28

PUPARIA

7.46

Description:

Independent Short by Shingo Tamagawa
Type

ONA

Episodes

1

Ep.Length

3 Min

Status

finished

Aired

2020-11-20

Angel's Egg

(Angel's Egg)

7.45

Description:

In a desolate and dark world full of shadows, lives one little girl who seems to do nothing but collect water in jars and protect a large egg she carries everywhere. A mysterious man enters her life... and they discuss the world around them. (Source: ANN)
Type

OVA

Episodes

1

Ep.Length

71 Min

Rating

Teens 13 or older

Status

finished

Aired

1985-12-22

Aishite Aishite Aishite

(Love Me Love Me Love Me)

7.45

Description:

Music video for Kikuo's Vocaloid song Aishite Aishite Aishite.
Type

music

Episodes

1

Ep.Length

4 Min

Rating

violence & profanity

Status

finished

Aired

2015-03-06

Nihon Animator Mihonichi

(Japan Animator Expo)

7.39

Description:

The short film series "Japan Anima(tor)'s Exhibition" presented by Studio Khara and Dwango. Original projects, spin-off projects, promotional films, Music PV, and VJ Films, etc... Various omnibus animations produced with love and energy, regardless of any genres. The digital distribution anime series bring opportunities for project development, R&D, human resources development, and free production under limited period and budget, to explore the possibilities of future film production. (Source: Official site)
Type

ONA

Episodes

35

Ep.Length

7 Min

Rating

Mild Nudity

Status

finished

Aired

2014-11-07

Poputepipikku Special

(Pop Team Epic TV Special)

7.38

Description:

Episode 13 and 14 of Poputepipikku. The special has four versions shown on four different broadcasters: Tokyo MX (Blue Dragon ver.), Nico Nico Douga (Vermilion Bird ver.), Abema TV Anilive (White Tiger ver.) and Abema TV Pop Team Epic Channel (Black Tortoise ver.). Each version has a unique combination of seiyuus. (Source: AniDB)
Type

special

Episodes

8

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2019-04-01

Cat Soup

(Cat Soup)

7.22

Description:

The main character, a cat named Nyatto, embarks upon a journey to save his sister's soul, which was ripped in two when Nyatto tried to save her from Death. She trails after him, brain-dead. They encounter many brilliant, mind-bending situations, beginning with a disturbing magic show. (Source: ANN)
Type

OVA

Episodes

1

Ep.Length

32 Min

Rating

17+ (violence & profanity)

Status

finished

Aired

2001-02-21

Genius Party Beyond

7.2

Description:

The sequel to Genius Party. It includes most of the films which were eventually finished but not included in the original Genius Party. 1: Gala (Mahiro Maeda) 2: Moondrive (Kazuto Nakazawa) 3. Wanwa the Puppy (Shinya Ohira) 4: Tojin Kit (Tatsuyuki Tanaka) 5: Dimension Bomb (Koji Morimoto)
Type

movie

Episodes

5

Ep.Length

15 Min

Rating

17+ (violence & profanity)

Status

finished

Aired

2008-10-11

Mikagura Gakuen Kumikyoku

(Mikagura School Suite)

7.15

Description:

Last Note.'s vocaloid song series (sung by GUMI) with PVs by Akina.
Type

music

Episodes

11

Ep.Length

4 Min

Rating

Teens 13 or older

Status

finished

Aired

2012-12-01

Sayonara Gokko

7.13

Description:

Music video for the song Sayonara Gokko by amazarashi.
Type

music

Episodes

1

Ep.Length

2 Min

Rating

Teens 13 or older

Status

finished

Aired

2019-02-12

Genius Party

7.11

Description:

An anthology produced by Studio 4°C. 1: Genius Party (Atsuko Fukushima) 2: Shanghai Dragon (Shoji Kawamori) 3: Deathtic 4 (Shinji Kimura) 4: Doorbell (Yuji Fukuyama) 5: Limit Cycle (Hideki Futamura) 6: Happy Machine (Masaaki Yuasa) 7: Baby Blue (Shinichiro Watanabe)
Type

movie

Episodes

7

Ep.Length

14 Min

Rating

Mild Nudity

Status

finished

Aired

2007-07-07

Boogiepop wa Warawanai: Boogiepop Phantom

(Boogiepop Phantom)

7.07

Description:

Five years ago, a string of grisly murders shook the city to its core and now the rumors have begun once more. Boogiepop... Everyone knows about Boogiepop: meet her one dark night and you are taken. People tell each other the stories and laugh: no one believes that she can possibly exist in this day and age. Still, strange things appear to be going on and the darkness is taking on many forms. Something is out there. Are you safe? (Source: RightStuf)
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2000-01-05

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