Where to watch
You Don't Know 1 isn't on any streaming service in United States right now, but it's available in South Korea. Streaming rights are licensed per country.
Cast · Directed by Lee Yong-nam
More from Lee Yong-nam · Director
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You Don't Know 1 — streaming FAQ
Which OTT platform streams You Don't Know 1?
You Don't Know 1 isn't on any streaming service in United States yet, but it's available in South Korea. Streaming rights differ by country — switch your country in the header to see where.
Is You Don't Know 1 on Netflix?
No, You Don't Know 1 is not on Netflix in United States as of September 2026.
Is You Don't Know 1 on Amazon Prime Video?
No, You Don't Know 1 isn't on Amazon Prime Video in United States right now.
Where can I watch You Don't Know 1 for free?
You Don't Know 1 isn't streaming in United States yet, so there's no way to watch it free at the moment.
Is there a sequel to You Don't Know 1?
Yes — You Don't Know 1 is followed by You Don't Know 2: The Discovery of Happiness (2023) in the You Don't Know Collection.
Is there a prequel to You Don't Know 1?
You Don't Know 1 is the first film in the You Don't Know Collection.
Is You Don't Know 1 part of a trilogy?
No — You Don't Know 1 is part of the You Don't Know Collection, which has 2 films.
How many movies are in the You Don't Know Collection?
There are 2 films in the You Don't Know Collection: You Don't Know 1 (2022) and You Don't Know 2: The Discovery of Happiness (2023).
