Unknown poster
Where to stream

Unknown

8.420241 seasonTV SeriesDramaFamily

Wei Qian, thrust into adulthood after losing his parents, faces turmoil when his adopted brother Xiao Yuan confesses feelings, challenging family bonds and emotions.

DirectorChiang Jui-chih
WritersJoe Tsai·Xiao Yiwei
ProducersSammi Pan·Joe Tsai

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with AdsFODFOD
Availability shown for Japan · rights vary by country

Seasons & Episodes

E1
I Wanna Go Home With You
Feb 24, 2024 9.0
E2
Who Owes Us?
Feb 24, 2024 8.0
E3
Would It Be Easier to Drop It?
Mar 2, 2024 8.0
E4
Can We Stay Like This Forever?
Mar 9, 2024 8.0
E5
Is Missing You a Habit or Destiny?
Mar 16, 2024 7.0
E6
If I Forget to Say Goodbye, Does That Mean We'll Meet Again?
Mar 23, 2024 7.0
E7
Back to Where There're You and Me
Mar 30, 2024 9.0
E8
The Distance Between Us and Love
Apr 6, 2024 10.0
E9
The Day Before the End of the World
Apr 13, 2024 9.0
E10
Wounds of Love
Apr 20, 2024 8.0
E11
Embracing Regrets Magnifies Courage
Apr 20, 2024 8.0
E12
Us
Apr 20, 2024 8.0

Cast · Directed by Chiang Jui-chih

Chris Chiu
Chris Chiu
Wei Qian
Kurt Huang
Kurt Huang
Wei Zhi-yuan
Tammy Lin
Tammy Lin
'Xiao Bai' Wei Li-li
Kim Jae-hoon
Kim Jae-hoon
'San Pang' Tan Yu
Danny Liang
Danny Liang
Xiong Da-fang
Yankee Yang
Yankee Yang
Wang Jun-le
Sam Lin
Sam Lin
Lin Zu-yuan
Kai Yi
Kai Yi
Hu
Alisia Liang
Alisia Liang
Feng Ning
Linda Lin
Linda Lin
Lin Dai-ling
Prince Chiu
Prince Chiu
Qiu Quan
Max Kuo
Max Kuo
Teenage Wei Zhi-yuan

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Unknown — streaming FAQ

Which OTT platform streams Unknown?

Unknown is streaming on Amazon Prime Video and FOD in Japan, and available to rent or buy on Amazon Video. It's not currently on Netflix.

Is Unknown on Netflix?

No, Unknown is not on Netflix in Japan as of August 2026. It's currently on Amazon Prime Video and FOD.

Is Unknown on Amazon Prime Video?

Yes — Unknown is included with an Amazon Prime Video subscription in Japan as of August 2026.

Where can I watch Unknown for free?

Unknown is available on Amazon Prime Video and FOD in Japan, but you'll need an active subscription — there's no free option right now.

How many seasons are in Unknown?

Unknown has 1 season in total (12 episodes). The series concluded in 2024.

Are all episodes of Unknown out yet?

Yes — all 12 episodes across 1 season of Unknown are out and available to stream.

Is there a Season 2 of Unknown?

No — Unknown ended after 1 season, so there is no Season 2.

Is Unknown based on a book?

Yes — Unknown is based on a book or novel.