THE_i　-what is Number_i- (2025)

First Air Date: 2025-06-27
Last Air Date: 2025-07-04
Total Seasons: 1
Total Episodes: 4
Network: Prime Video

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.