15 episodes
First episode: E1
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Quick answers about this series, release status, and episode totals.
When did Twenty-One first air?
Twenty-One first aired on January 1, 2019.
How many seasons and episodes does Twenty-One have?
Twenty-One currently has 1 season and 15 episodes.
When is the next episode of Twenty-One?
Twenty-One is ended, and no upcoming episode is currently scheduled.