3 episodes
First episode: E1

A long-running NHK investigative strand that revisits headline-making unsolved cases with a hybrid of docudrama and documentary, drawing on police files, journalists’ notes, and new interviews to surface leads and lessons.
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3 episodes
First episode: E13 episodes
First episode: E11 episode
First episode: E11 episode
First episode: E13 episodes
First episode: E12 episodes
First episode: E15 episodes
First episode: E12 episodes
First episode: E1Quick answers about this series, release status, and episode totals.
NHK Special: Unsolved Cases first aired on July 29, 2011.
NHK Special: Unsolved Cases currently has 8 seasons and 20 episodes.
No official next-episode air date is listed for NHK Special: Unsolved Cases right now.