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GNOSIA

Who is the Gnosia?

8.3(17)
First Aired:October 12, 2025
Seasons:1 season
Episodes:21
Status:Ended

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.

Cast

Chika Anzai

Chika Anzai

Yuri (voice)

Ikumi Hasegawa

Ikumi Hasegawa

Setsu (voice)

Akari Kito

Akari Kito

SQ (voice)

Hiroki Nanami

Hiroki Nanami

Racio (voice)

Asami Seto

Asami Seto

Jina (voice)

Tomokazu Seki

Tomokazu Seki

Shigemichi (voice)

Saori Hayami

Saori Hayami

Stella (voice)

Aoi Yuuki

Aoi Yuuki

Yuriko (voice)

Ayane Sakura

Ayane Sakura

Comet (voice)

Yuichi Nakamura

Yuichi Nakamura

Chipie (voice)

Kenjiro Tsuda

Kenjiro Tsuda

Jonas (voice)

Kana Hanazawa

Kana Hanazawa

Otome (voice)

Takeo Otsuka

Takeo Otsuka

Remnan (voice)

Takuya Eguchi

Takuya Eguchi

Sha-ming (voice)

Seasons

Starting Point

E1Starting Point

27m8.0

Oct 12, 2025

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.

Loops

E2Loops

27m8.0

Oct 19, 2025

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...?

New Crew Members

E3New Crew Members

26m6.0

Oct 26, 2025

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.

Silver Key

E4Silver Key

24m6.0

Nov 2, 2025

Despite identifying the Gnosia and surviving, Yuri finds themself back at the first day in a daze, when a person with an unusual presence, Yuriko, appears before them. She seems to know something, but...?

Wild Intuition

E5Wild Intuition

26m6.0

Nov 9, 2025

New crew members Comet and Chipie join the meeting. Two of the crew claim to be engineers, but Racio argues against voting for them, resulting in the votes going to...?

Nostalgic Flowers

E6Nostalgic Flowers

26m6.0

Nov 16, 2025

Yuri attends the meeting in a new role as the "Guardian Angel." With Jonas and Kukrushka joining, the meeting now has 13 people, and as the situation becomes chaotic, one crew member raises their hand.

Understand?

E7Understand?

24m6.0

Nov 23, 2025

Otome and Remnan join in and the meeting is about to begin, but the other new crew member, Sha-Ming, refuses to come out of his room. Meanwhile, Shigemichi begins to talk about his feelings for Stella.

Guard Duty

E8Guard Duty

24m10.0

Nov 30, 2025

Remnan and Kukrushka step forward as "Guard Duty," a role that confirms they are human. As the number of positions increases and the meeting becomes more complicated, Sha-Ming, who is suspected by Kukrushka, takes a certain action...

World of Gnosia

E9World of Gnosia

25m7.5

Dec 7, 2025

Yuri awakens as a Gnosia. Though they feel hesitant about deceiving their fellow crew members, they are touched by the feelings of Comet, who shares their position, and resolve to fulfill their role as promised to Setsu.

Citizen Slime

E10Citizen Slime

24m6.0

Dec 14, 2025

Yuri, who has looped once again, is astonished by their new appearance. Amidst this, the meeting is postponed due to Sha-Ming's absence, and Raqio reveals the secret of the Silver Key to the bewildered Yuri.

511

E11511

26m6.0

Dec 21, 2025

Upon waking up, Yuri finds themself in a loop where they and SQ are on Guard Duty. Knowing that they are both human, the two grow closer, and eventually SQ reveals her true "identity"—.

Allacosia

E12Allacosia

24m

Dec 28, 2025

Gina, who intensely dislikes lying and deceiving others, is confided in about the loops by Yuri. Recalling a painful past, she expresses her fears and resistance toward becoming a Gnosia.

Interlude

E13Interlude

25m7.0

Jan 11, 2026

Before the meeting, Setsu loses consciousness and is taken to the Sickbay. As they share the information they have acquired, Yuri suggests that Setsu, who appears exhausted from having repeated hundreds of loops, take a break. The "Truth Arc" begins...

15-Person Meeting

E1415-Person Meeting

25m8.0

Jan 18, 2026

"If you survive this loop, I'll tell you everything." Yuri, presented with a condition by Yuriko, attends a meeting where all 15 crew members are gathered. However, once the meeting begins, an unexpected proposal comes from Yuriko.

The Final Problem

E15The Final Problem

25m7.0

Jan 25, 2026

Raqio, who was identified as a Gnosia by the Engineer, Yuri, claims innocence based on a certain action. The emergence of an AC Follower throws the meeting into chaos, and Yuri is cornered.

Truth

E16Truth

24m10.0

Feb 1, 2026

When Yuri awakens, it's in a world line where the ship has escaped Gnosia contamination. As Yuri is bewildered by Kukrushka's implication of "the end of the universe," an alarm blares detecting an abnormal biological reaction.

Bug

E17Bug

24m10.0

Feb 8, 2026

Yuri learns the truth: that they are a "Bug" that shouldn't exist. They struggle to escape the time loop and the cosmic collapse caused by their dual existence, but...?

A World With a Future

E18A World With a Future

27m7.7

Feb 15, 2026

Yuri awakens on "DAY 0," the day before the loop they always experience and before escaping Liu-An. They meet Setsu there, but Setsu seems unaware of the Silver Key or the loops...

Epilogue

E19Epilogue

8.0

Mar 1, 2026

Yuri has escaped the loop, but the crew members have lost all memory of Setsu. On the planet where they land, Yuri follows Setsu's traces, only to be confronted with the harsh fact that Setsu's very existence has vanished.

To the World of Stars

E20To the World of Stars

9.5

Mar 8, 2026

In order to end Setsu's loop, Yuri obtains Raqio's "Silver Key." As Yuri tries to host the key once again, Raqio calls out to them.

End Point and Starting Point

E21End Point and Starting Point

8.5

Mar 15, 2026

Yuri reunites with Setsu on the other side of the dimensional door. They find themselves in the world line before they received the Silver Key that first awakened them. And so, their final discussion begins――

Videos

Storyline

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.

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