Anime

The Apothecary Diaries Season 3 Premiere Date, Trailer, and The Latest Details

Maomao faces new trials and a mysterious immortal as The Apothecary Diaries Season 3 expands beyond the rear palace

The Apothecary Diaries Season 3 Credit: © Natsu Hyūga / Imagica Infos / The Apothecary Diaries Production Committee

A new trailer and fresh production updates for The Apothecary Diaries Season 3 have arrived, confirming the next chapter in Maomao’s palace mysteries. The series, which follows the sharp-witted young apothecary as she navigates the dangerous intrigue of the imperial rear palace, is preparing to expand its scope with returning staff and an intriguing new character. These recent reveals set the stage for a split-cour season that builds directly on the foundation of the first two seasons.

Akinori Fudesaka returns as director, with Norihiro Naganuma handling series composition once again. Character designs remain under Yukiko Nakatani, while the music continues with the established team of Satoru Kosaki, Kevin Penkin, and Arisa Okehazama. Animation production stays with OLM. These returning elements ensure visual and narrative consistency as the story moves into new territory.

When is The Apothecary Diaries Season 3 premiere date?

The Apothecary Diaries Season 3 will premiere on October 2, 2026. The first episode airs at 11:00 p.m. Japan Standard Time as part of the Friday Anime Night programming block on NTV and its 29 affiliated stations.

The season is structured as a split cour. After the first cour concludes, the second cour is scheduled to begin in April 2027. This extended format allows the adaptation to cover substantial material from the source novels while maintaining careful pacing.

An original theatrical film titled The Apothecary Diaries: The Deceased Empress’ Treasure is also planned for a December 2026 release in Japan. The movie features a brand-new story written by series creator Natsu Hyūga and is positioned to complement the television season.

The Apothecary Diaries Season 3 Trailer

A new promotional trailer for Season 3 has been released alongside a fresh key visual. The trailer showcases returning characters in updated settings and introduces the mysterious new figure Bai Niangniang. It also previews the opening theme song.

Watch the new trailer:

The opening theme is Kumo wo Nuke Kazeshita e Watashi Dake performed by Yorushika. The track plays over footage that hints at agricultural omens, expanding locations beyond the rear palace, and growing tension surrounding rumors of an immortal maiden. The trailer ends on an ominous note tied to Bai Niangniang and the promise of a medicine capable of healing the heart while erasing the pains of the mundane world.

A new key visual was unveiled alongside the trailer. It depicts Maomao standing in a golden wheat field under a dramatic sunset sky, glancing back over her shoulder, with Jinshi positioned further in the distance and a bird soaring overhead. The artwork emphasizes themes of new encounters and trials as the characters move forward.

The Apothecary Diaries Season 3 anime - key visual Credit: © Natsu Hyūga / Imagica Infos / The Apothecary Diaries Production Committee

What will The Apothecary Diaries Season 3 be about?

The Apothecary Diaries Season 3 anime Credit: © Natsu Hyūga / Imagica Infos / The Apothecary Diaries Production Committee

The Apothecary Diaries, known in Japanese as Kusuriya no Hitorigoto, is a light novel series written by Natsu Hyūga and illustrated by Touko Shino. The story is set in a fictional empire inspired by imperial China and follows Maomao, a young woman raised in the pleasure district who is sold into service in the emperor’s rear palace. Using her extensive knowledge of poisons, medicines, and plants, she solves mysteries that range from medical crises among the consorts to deeper political intrigues. The franchise has surpassed 57 million copies in circulation worldwide and has been translated into 16 languages, with both light novel and manga adaptations contributing to its popularity.

Season 3 is expected to expand the scope of Maomao’s investigations beyond the immediate confines of the rear palace. Trailer footage and promotional materials point to rumors of a mysterious immortal maiden known as Bai Niangniang circulating among the people. Signs of potential agricultural disaster, including unusual insect activity, appear to draw Maomao’s attention toward larger threats facing the country of Li. Jinshi continues to confront the weight of his true identity and responsibilities as the emperor’s younger brother while omens of disaster loom. The season is positioned to bridge into the original film story and further develop the complex relationships and court dynamics established in prior seasons.

Who are the cast of The Apothecary Diaries Season 3?

The core Japanese and English voice cast returns for The Apothecary Diaries Season 3, joined by one newly announced performer. Reina Ueda joins the ensemble as Bai Niangniang, described as a pale and mysterious nymph or immortal maiden whose true identity and purpose remain shrouded in mystery.

Character

Japanese Voice Actor

English Voice Actor

Maomao

Aoi Yūki

Emi Lo

Jinshi

Takeo Ōtsuka

Kaiji Tang

Gaoshun

Katsuyuki Konishi

Alex Hom

Gyokuyō

Atsumi Tanezaki

Molly Zhang

Lihua

Yui Ishikawa

Trina Nishimura

Lakan

Takuya Kirimoto

Ricco Fajardo

Bai Niangniang

Reina Ueda

To be announced

Additional supporting roles from previous seasons are expected to return as the story requires. The continuity of the main performers helps maintain the established chemistry between Maomao and Jinshi while allowing new characters such as Bai Niangniang to integrate into the larger ensemble.

Bai Niangniang and Reina Ueda Credit: Bai Niangniang and Reina Ueda

Where to stream The Apothecary Diaries Season 3?

The Apothecary Diaries Season 3 is expected to follow the distribution pattern of the first two seasons and stream on Crunchyroll. Netflix currently offers the first season in select regions but does not yet carry later seasons. International audiences will have access through major anime streaming platforms as the episodes premiere in Japan. The first cour will arrive in Fall 2026, with the second cour following in Spring 2027.

Viewers who have followed Maomao’s previous cases will find the new season readily available in both subtitled and dubbed formats once episodes begin rolling out. The accompanying theatrical film is planned for a later theatrical window before eventual home and streaming release.

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With its October 2 premiere locked in, a compelling new opening theme, the addition of Reina Ueda as Bai Niangniang, and a clear expansion of the series’ world, The Apothecary Diaries Season 3 is set to deliver another substantial chapter in Maomao’s ongoing story of medicine, mystery, and palace intrigue. Stay tuned for more updates on Season 3 as additional details emerge in the coming months.

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