Seasonal Anime
Browse the Summer 2004 anime list, see what is airing this season, and jump straight into overview, episode guide, and watch-order pages.
Summer 2004Arms
TV / Summer 2004
Release date
Lucy is a rare human variant born with small horns and unseen telekinetic appendages, a trait that makes her the focus of cruel scientific study. After a violent escape, a severe head injury leaves her with a fragile, childlike persona that contrasts sharply with the danger she can pose. Two college students, Kouta an…
Summer 2004Gonzo
TV / Summer 2004
Release date
Kei Kurono, Masaru Katou, and Kei Kishimoto find themselves dragged once more into a brutal, otherworldly contest controlled by a mysterious black sphere that resurrects the recently dead to face alien threats. Tasked with completing deadly missions and accumulating points that promise a way out, the trio must balance…
Summer 2004AIC Spirits
TV / Summer 2004
Release date
Yukinari, a timid high schooler afflicted with a peculiar condition that triggers severe allergic reactions whenever women get close, has always lived on the margins of social life. His world is upended when he is whisked away to Seiren, a mysterious city that orbits the Earth and is overwhelmingly populated by women.…
Summer 2004Daume
TV / Summer 2004
Release date
When a group of alien refugees are settled into human society, a cultural exchange program pairs them with ordinary families to help them adapt. One morning, a lone alien is accidentally released and rescued by high schooler Takeya Ikuhara, who reluctantly becomes responsible for her. She forms an immediate, binding a…
Summer 2004Gonzo
TV / Summer 2004
Release date
In a distant, post war future where warriors fuse flesh with machines, Kanna Village struggles to survive under the threat of marauding mechanized bandits. With food scarce and lives at risk, villagers Kirara, her younger sister Komachi, and the despondent Rikichi set out to recruit fighters to protect their home. One…
Summer 2004Xebec
TV / Summer 2004
Release date
On a secluded island community, a group of young residents confronts an extraordinary burden when their home becomes humanity's frontline against a mysterious invader. Caught between ordinary daily life and the demands of warfare, they must pilot a massive mecha called Fafner to defend what remains of civilization. Th…
Summer 2004ufotable
TV / Summer 2004
Release date
Kaede is an ordinary student whose quiet study session is disrupted when Shinobu, an eager ninja in training, appears with an unusual exam to complete. What begins as a comic rivalry quickly develops into an unexpected friendship as Kaede gets pulled into Shinobu’s chaotic world. The pair navigate absurd situations in…
Summer 2004Bones
TV / Summer 2004
Release date
In the year 2100 on a colonized Moon, young Kurau's life is forever altered by a mysterious accident at her father's research facility. She returns outwardly human but shares her body with two powerful, otherworldly presences, forcing her and those around her to confront questions of identity and belonging. As Kurau l…
Summer 2004Studio Deen
TV / Summer 2004
Release date
As the new spring term begins at Lillian Girls' Academy, old bonds are renewed and the student body prepares for another chapter of school life. Members of the Yamayuri Council balance the joy of reunion with the practical and emotional work of upcoming departures. With key roles to be filled and traditions to uphold,…
Summer 2004Production I.G
TV / Summer 2004
Release date
In Heian era Kyoto, a city weakened by greed, illness, and political decay, a young woman takes up a dangerous quest when her famed brother cannot. Disguised and determined, she leaves the capital to search for a legendary jewel said to hold the power to change the world. Along the way she encounters strange allies, s…
Summer 2004Radix
TV / Summer 2004
Release date
Makoto returns to his hometown and settles into everyday school life alongside his sister Hinata and a close circle of friends, including the affable Tsutomu and the reserved Kasumi. One evening a haunting harmonica melody leads him to an unexpected reunion with Minamo, a childhood friend whose presence stirs long bur…
Summer 2004Madhouse, feel.
TV / Summer 2004
Release date
When a fresh recruit, Chitose Karasuma, joins the Angel Troupe, the team sets off on a series of spacefaring missions in pursuit of a mysterious lost technology. Their journey mixes futuristic gadgets and interstellar exploration with a steady stream of comedic misadventures. The crew’s contrasting personalities fuel…
Summer 2004Radix
TV / Summer 2004
Release date
Naoki Kuzumi leads a quiet high school life with his extended family while carrying gaps in his childhood memories. His routine is upended when a fiery haired stranger suddenly appears and insists he is someone very important to her. As the two contend with this unexpected connection, odd hints about time and illness…
Summer 2004OLM
TV / Summer 2004
Release date
Mabel West is a spirited young woman determined to pursue a life of detection rather than the conventional path her family expects. She travels to London to work alongside the meticulous Hercule Poirot, learning the craft from one of the era’s most famed sleuths. Her father consents to her ambitions on the condition t…
Summer 2004Azeta Pictures
TV / Summer 2004
Release date
Uchuu Koukyoushi Maetel: Ginga Tetsudou 999 Gaiden follows Maetel as she faces a painful return to her frozen homeworld, where survival demands relinquishing flesh for machinery. Confronted with a stark choice between joining a robotic future or standing with those who cling to their humanity, she must navigate deep e…
Summer 2004Madhouse
TV / Summer 2004
Release date
Sweet Valerian follows three reluctant schoolgirls who gain the ability to transform into bunny themed heroines tasked with protecting their city. When mysterious entities emerge from people's mounting anxieties, the trio must learn to work together and balance their everyday lives with unexpected battles. The series…
Summer 2004TMS Entertainment
TV / Summer 2004
Release date
Monkey Punch: Manga Katsudou Daishashin is a variety style anime that blends action, adventure, and comedy across a distinctive multi segment format. Each episode pairs shorter 15 minute Mini Stages with longer 30 minute Grand Stages, while brief 60 second interludes spotlight playful visual gags. Familiar Lupin chara…
Summer 2004OLM
TV / Summer 2004
Release date
Monkey Turn V returns to the high speed world of competitive hydroplane racing, where split second decisions and razor sharp reflexes decide winners and losers. The series focuses on the protagonists as they confront tougher opponents, refine their techniques, and navigate the pressures of fame and expectation. Intens…
Summer 2004
TV / Summer 2004
Release date
PostPet Momobin follows two cheerful mail carriers, Momo and Komomo, as they take on deliveries anywhere imagination can reach from backyard corners to distant planets and even moments in time. Each episode centers on a new delivery challenge that brings quirky locations and friendly encounters, mixing lighthearted an…
Summer 2004
TV / Summer 2004
Release date
Chii chan to Hige Ojisan follows the gentle everyday moments shared between a curious little girl and her kindly, bearded uncle as they explore their small neighborhood. Presented in warm, tactile clay animation, each short episode focuses on simple discoveries, playful interactions, and the comforting routines of com…
Summer 2004