Season guide
AIBOU: Tokyo Detective Duo: Season 4
21 episodes
Premiered Oct 12, 2005
Previously on AIBOU: Tokyo Detective Duo
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of AIBOU: Tokyo Detective Duo Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Season 4 Episodes
Episode Guide
🛡️ SPOILER SHIELD
Season 4 Progress Shield
Future titles & synopses blurred. Tap "Reveal" on any card to peek.