Season
- Season 1 2006-10-03
- Season 2 2007-01-09
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- Season 13 2022-01-06
- Season 14 2023-01-06
- Season 15 2024-01-05
- Season 16 2025-01-10
- Season 17 2026-01-09
Season 17 Episode
- Season 4 Episode 1
- Season 4 Episode 2
- Season 4 Episode 3
- Season 4 Episode 4
- Season 4 Episode 5
- Season 4 Episode 6
- Season 4 Episode 7
- Season 4 Episode 8
- Season 4 Episode 9
- Season 4 Episode 10
- Season 4 Episode 11
- Season 4 Episode 12
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- Season 4 Episode 14
- Season 4 Episode 15
- Season 4 Episode 16
- Season 4 Episode 17
- Season 4 Episode 18
- Season 4 Episode 19
- Season 4 Episode 20
- Season 4 Episode 21
- Season 4 Episode 22
- Season 4 Episode 23
- Season 4 Episode 24
- Season 4 Episode 25
- Season 4 Episode 26
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- Season 4 Episode 28
- Season 4 Episode 29
- Season 4 Episode 30
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- Season 4 Episode 32
Document 72 Hours - Season 4 Episode 12 Underground Idols
8.70 48 minutes The Akihabara district in Tokyo is known worldwide as a mecca for "otaku" or geeks. It's also where a number of girl groups dance and sing. The otherwise obscure "live theaters" where they perform have become major new attractions for the groups' wildly enthusiastic fans. But for these underground idols, the showbiz life is rough. They don't earn much. Rival groups are forever a threat to displace them. How old can the girls get before they lose their appeal? Yet they do not easily abandon their dreams.
