Series synopsis
GNOSIA, also known as グノーシア is a Japanese animation mystery sci-fi & fantasy television series that premiered on Gunma TV on October 12, 2025. It ended on March 15, 2026. It stars Chika Anzai, Ikumi Hasegawa, Akari Kito and Hiroki Nanami.
When a shapeshifting enemy known as Gnosia infiltrates a lone spaceship, the crew has only one way to survive: identify the imposter each day and put them into cryo-sleep. But for Yuri, the day never ends. Trapped in a time loop, she relives the first day of the crisis over and over. To escape, Yuri must uncover the truth behind Gnosia and the time loop itself—before it’s too late.
Premise
When a shapeshifting enemy known as Gnosia infiltrates a lone spaceship, the crew has only one way to survive: identify the imposter each day and put them into cryo-sleep. But for Yuri, the day never ends. Trapped in a time loop, she relives the first day of the crisis over and over. To escape, Yuri must uncover the truth behind Gnosia and the time loop itself—before it’s too late.
Premise: Who is the Gnosia?
Cast and characters
Leading cast
- Chika Anzai as Yuri (voice)
- Ikumi Hasegawa as Setsu (voice)
- Akari Kito as SQ (voice)
- Hiroki Nanami as Racio (voice)
- Asami Seto as Jina (voice)
- Tomokazu Seki as Shigemichi (voice)
- Saori Hayami as Stella (voice)
- Aoi Yuuki as Yuriko (voice)
Supporting cast
- Ayane Sakura as Comet (voice)
- Yuichi Nakamura as Chipie (voice)
- Kenjiro Tsuda as Jonas (voice)
- Kana Hanazawa as Otome (voice)
- Takeo Otsuka as Remnan (voice)
- Takuya Eguchi as Sha-ming (voice)
Episodes
This series spans 1 season with 21 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 21 | October 12, 2025 | March 15, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Starting Point Yuri, who has lost their memory, wakes up aboard the Interstellar Cruiser D.Q.O. They are taken by Setsu to participate in a meeting to identify the "Gnosia," a being that attacks and annihilates humans. |
October 12, 2025 |
| 2 |
Loops Yuri, who looped back to the first day, attends the meeting knowing who the Gnosia is. Yuri tries to cast suspicion on SQ, but the discussion doesn't progress as expected...? |
October 19, 2025 |
| 3 |
New Crew Members Shigemichi and Stella join the group, and a meeting is held with seven people. During the meeting, Yuri uses their intuition to identify the Gnosia, but they struggle to convince the other crew members. |
October 26, 2025 |
Production
Release
| Original network/platform | Gunma TV |
|---|---|
| First aired | October 12, 2025 |
| Last aired | March 15, 2026 |
| Status | ended |
| Schedule | Saturday at 00:00:00 |