4 episodes
First episode: E1
THE_i -what is Number_i-
Announced at Tokyo Dome in October 2023 and debuting on New Year's Day 2024, Number_i has carved out its path. Their journey is captured in their first year-long documentary. Through behind-the-scenes footage and creator insights, the series explores how their music and identity take shape.
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Quick answers about this series, release status, and episode totals.
When did THE_i -what is Number_i- first air?
THE_i -what is Number_i- first aired on June 27, 2025.
How many seasons and episodes does THE_i -what is Number_i- have?
THE_i -what is Number_i- currently has 1 season and 4 episodes.
When is the next episode of THE_i -what is Number_i-?
THE_i -what is Number_i- is ended, and no upcoming episode is currently scheduled.