23 episodes
First episode: E1
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4 episodes
First episode: E1Show FAQ
Quick answers about this series, release status, and episode totals.
When did Hidden Envelope first air?
Hidden Envelope first aired on May 22, 2018.
How many seasons and episodes does Hidden Envelope have?
Hidden Envelope currently has 2 seasons and 27 episodes.
When is the next episode of Hidden Envelope?
No official next-episode air date is listed for Hidden Envelope right now.