3.5th Period
3.5 교시
We checked 8 streaming services in India on 06 Jun 2026 at 17:18 IST
About
In the prestigious Shinha High School, there is a secret hidden between the third and fourth periods. There are 3.5 classes where time goes 10 times slower and 10 minutes becomes 100 minutes! Baek Ah-jin accidentally enters the 3.5th period and meets Kang Da-won, a male student who was trapped there. To escape Dawon from the 3.5th period, Ahjin solves the mystery hidden there. But there are people in the school who try to hide 3.5 classes...
Cast
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Watch 3.5th Period Online Free in HD
If you've been searching for 3.5th Period full movie in HD, CineFlixo has you covered. This talked-about Coreano mystery, romance, and fantasy title from 2022 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About 3.5th Period
In the prestigious Shinha High School, there is a secret hidden between the third and fourth periods. There are 3.5 classes where time goes 10 times slower and 10 minutes becomes 100 minutes! Baek Ah-jin accidentally enters the 3.5th period and meets Kang Da-won, a male student who was trapped there. To escape Dawon from the 3.5th period, Ahjin solves the mystery hidden there. But there are people in the school who try to hide 3.5 classes... Running 105 minutes.
3.5th Period Cast and Characters
The cast features Jo Hye-won (as Baek Ah-jin), Lim Ji-sub (as Kang Da-won), Kim Woojin (as Lee Hanik), Song Young-gyu (as Han Je Moon), and Kang Byul (as Choi Seon Joo). Their performances are a major reason 3.5th Period has built such a passionate audience.
Where to Watch 3.5th Period Online
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▶ Watch 3.5th Period NowWhy People Are Watching 3.5th Period
3.5th Period flies under the radar but it deserves your attention. What makes it work is tight pacing that earns its twists, chemistry between leads that actually feels real, and world-building that respects the audience's intelligence. If you enjoy Coreano storytelling that doesn't follow the same tired beats, this is the kind of film you'll end up recommending to friends.
Frequently Asked Questions about 3.5th Period
Where can I watch 3.5th Period online for free?
You can watch 3.5th Period online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How long is 3.5th Period?
3.5th Period runs for 105 minutes (about 1.8 hours).
Is 3.5th Period good? What's the rating?
3.5th Period holds a 5.0/10 rating based on 2 reviews — a niche pick worth checking out.
Who is in the cast of 3.5th Period?
The main cast includes Jo Hye-won, Lim Ji-sub, Kim Woojin, and Song Young-gyu, plus a strong supporting ensemble.
Is 3.5th Period available in Coreano?
Yes — 3.5th Period was originally produced in Coreano and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was 3.5th Period released?
3.5th Period was released in 2022.
Do I need an account to watch 3.5th Period on CineFlixo?
No. CineFlixo is free and you can watch 3.5th Period without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Common questions about 3.5th Period
Where can I watch 3.5th Period for free?
You can watch 3.5th Period (2022) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is 3.5th Period about?
3.5th Period is a Mystery/Romance film. In the prestigious Shinha High School, there is a secret hidden between the third and fourth periods. There are 3.5 classes where time goes 10 times slower and 10 minutes becomes 100 minutes! Baek Ah-jin accidentally enters the 3.5th period and meets Kang Da-won, a male student who was trapped there. To escape Dawon from the 3.5th period, Ahjin solves the mystery hidden there. But there are people in the school who try to hide 3.5 classes...
When was 3.5th Period released?
3.5th Period was released on April 14, 2022. It has a runtime of 1h 45m. The film was produced by Dreamfact Entertainment.
Who stars in 3.5th Period?
3.5th Period stars Jo Hye-won, Lim Ji-sub, Kim Woojin and Song Young-gyu. The full cast list is available in the Cast section above.
Is 3.5th Period available in HD?
Yes, 3.5th Period is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.