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The Best Episodes of GNOSIA

Every episode of GNOSIA ranked from best to worst. Let's dive into the Best Episodes of GNOSIA!

Binge this in 7h 33m•Peaking at 10.0/10

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

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Episode Rankings

  1. #1 Fan Favorite
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    GNOSIA Season 1 Episode 8 - Guard Duty
    10.0/10(1 votes)

    #1 - Guard Duty

    S1:E8

    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...

    Directors:佐藤久美, Akane Shimizu
    Writer:Jukki Hanada

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  2. GNOSIA Season 1 Episode 16 - Truth
    10.0/10(2 votes)

    #2 - Truth

    S1:E16

    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.

    Director:Akane Shimizu
    Writer:Unknown

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  3. GNOSIA Season 1 Episode 17 - Bug
    10.0/10(1 votes)

    #3 - Bug

    S1:E17

    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...?

    Directors:Arisa Matsuura, Yuki Iida
    Writer:Unknown

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  4. GNOSIA Season 1 Episode 20 - To the World of Stars
    9.5/10(2 votes)

    #4 - To the World of Stars

    S1:E20

    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.

    Director:Unknown
    Writer:Unknown

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  5. GNOSIA Season 1 Episode 21 - End Point and Starting Point
    8.5/10(2 votes)

    #5 - End Point and Starting Point

    S1:E21

    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――

    Director:Unknown
    Writer:Unknown

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  6. GNOSIA Season 1 Episode 1 - Starting Point
    8.0/10(1 votes)

    #6 - Starting Point

    S1:E1

    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.

    Director:Arisa Matsuura
    Writer:Jukki Hanada

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    The 20 WORST Episodes of GNOSIA

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  7. GNOSIA Season 1 Episode 2 - Loops
    8.0/10(2 votes)

    #7 - Loops

    S1:E2

    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...?

    Director:Arisa Matsuura
    Writer:Jukki Hanada

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  8. GNOSIA Season 1 Episode 14 - 15-Person Meeting
    8.0/10(1 votes)

    #8 - 15-Person Meeting

    S1:E14

    "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.

    Director:Unknown
    Writer:Unknown

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  9. GNOSIA Season 1 Episode 19 - Epilogue
    8.0/10(1 votes)

    #9 - Epilogue

    S1:E19

    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.

    Director:Unknown
    Writer:Unknown

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  10. GNOSIA Season 1 Episode 18 - A World With a Future
    7.7/10(3 votes)

    #10 - A World With a Future

    S1:E18

    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...

    Director:Kanako Yajima
    Writer:Unknown

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  11. GNOSIA Season 1 Episode 9 - World of Gnosia
    7.5/10(2 votes)

    #11 - World of Gnosia

    S1:E9

    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.

    Director:Kanako Yajima
    Writer:Jukki Hanada

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  12. GNOSIA Season 1 Episode 13 - Interlude
    7.0/10(2 votes)

    #12 - Interlude

    S1:E13

    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...

    Director:Unknown
    Writer:Unknown

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  13. GNOSIA Season 1 Episode 15 - The Final Problem
    7.0/10(2 votes)

    #13 - The Final Problem

    S1:E15

    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.

    Director:Unknown
    Writer:Unknown

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  14. GNOSIA Season 1 Episode 3 - New Crew Members
    6.0/10(1 votes)

    #14 - New Crew Members

    S1:E3

    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.

    Director:Akane Shimizu
    Writer:Jukki Hanada

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  15. GNOSIA Season 1 Episode 4 - Silver Key
    6.0/10(1 votes)

    #15 - Silver Key

    S1:E4

    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...?

    Director:Yuki Iida
    Writer:Jukki Hanada

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  16. GNOSIA Season 1 Episode 5 - Wild Intuition
    6.0/10(1 votes)

    #16 - Wild Intuition

    S1:E5

    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...?

    Director:Arisa Matsuura
    Writer:Jukki Hanada

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  17. GNOSIA Season 1 Episode 6 - Nostalgic Flowers
    6.0/10(1 votes)

    #17 - Nostalgic Flowers

    S1:E6

    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.

    Director:Kanako Yajima
    Writer:Jukki Hanada

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  18. GNOSIA Season 1 Episode 7 - Understand?
    6.0/10(1 votes)

    #18 - Understand?

    S1:E7

    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.

    Director:Yuki Iida
    Writer:Jukki Hanada

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  19. GNOSIA Season 1 Episode 10 - Citizen Slime
    6.0/10(1 votes)

    #19 - Citizen Slime

    S1:E10

    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.

    Director:Asuka Fukada
    Writer:Jukki Hanada

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  20. GNOSIA Season 1 Episode 11 - 511
    6.0/10(1 votes)

    #20 - 511

    S1:E11

    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"—.

    Director:Unknown
    Writer:Unknown

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  21. GNOSIA Season 1 Episode 12 - Allacosia
    0.0/10(0 votes)

    #21 - Allacosia

    S1:E12

    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.

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"Guard Duty" is the best rated episode of "GNOSIA". It scored 10/10 based on 1 votes. Directed by 佐藤久美, Akane Shimizu and written by Jukki Hanada, it aired on 11/30/2025. This episode scored 0.0 points higher than the second highest rated, "Truth".