GNOSIA

GNOSIA

グノーシア

Who is the Gnosia?

Ended First aired 12/Oct/2025 Japan Japanese 1 season(s) 21 episode(s)
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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TimeScore 33% Skip It
Binge Meter 48% Slow Burn
Episode Pulse Quiet 40% activity score
Drop Rate 0% Very Low

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Seasons & Episodes

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Season 1 · Season 1
21 episode(s) · Air date: 12/Oct/2025
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Season Overview

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S1E21
End Point and Starting Point
Air date: 15/Mar/2026 · Runtime: 30 min
Summary

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――

Summary

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――

S1E19
Epilogue
Air date: 01/Mar/2026 · Runtime: 30 min
Summary

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.

Summary

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.

S1E18
A World With a Future
Air date: 15/Feb/2026 · Runtime: 27 min
Summary

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...

Summary

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...

S1E17
Bug
Air date: 08/Feb/2026 · Runtime: 24 min
Summary

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...?

Summary

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...?

S1E16
Truth
Air date: 01/Feb/2026 · Runtime: 24 min
Summary

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.

Summary

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.

S1E15
The Final Problem
Air date: 25/Jan/2026 · Runtime: 25 min
Summary

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.

Summary

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.

S1E14
15-Person Meeting
Air date: 18/Jan/2026 · Runtime: 25 min
Summary

"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.

Summary

"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.

S1E13
Interlude
Air date: 11/Jan/2026 · Runtime: 25 min
Summary

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...

Summary

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...

S1E12
Allacosia
Air date: 28/Dec/2025 · Runtime: 24 min
Summary

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.

Summary

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.

S1E11
511
Air date: 21/Dec/2025 · Runtime: 26 min
Summary

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"—.

Summary

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"—.

S1E10
Citizen Slime
Air date: 14/Dec/2025 · Runtime: 24 min
Summary

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.

Summary

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.

S1E9
World of Gnosia
Air date: 07/Dec/2025 · Runtime: 25 min
Summary

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.

Summary

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.

S1E8
Guard Duty
Air date: 30/Nov/2025 · Runtime: 24 min
Summary

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...

Summary

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...

S1E7
Understand?
Air date: 23/Nov/2025 · Runtime: 24 min
Summary

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.

Summary

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.

S1E6
Nostalgic Flowers
Air date: 16/Nov/2025 · Runtime: 26 min
Summary

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.

Summary

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.

S1E5
Wild Intuition
Air date: 09/Nov/2025 · Runtime: 26 min
Summary

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...?

Summary

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...?

S1E4
Silver Key
Air date: 02/Nov/2025 · Runtime: 24 min
Summary

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...?

Summary

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...?

S1E3
New Crew Members
Air date: 26/Oct/2025 · Runtime: 26 min
Summary

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.

Summary

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.

S1E2
Loops
Air date: 19/Oct/2025 · Runtime: 27 min
Summary

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...?

Summary

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...?

S1E1
Starting Point
Air date: 12/Oct/2025 · Runtime: 27 min
Summary

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.

Summary

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.

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