archytele The Vault
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Season guide

AIBOU: Tokyo Detective Duo: Season 21

21 episodes Premiered Oct 12, 2022 Updated Sep 25, 2026
Previously on AIBOU: Tokyo Detective Duo

Season 21 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 20.
  • ⚡ 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.
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Season 21 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 21 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 21: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

14%
86%
Mytharc (3): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S21·E1 Mytharc

Episode 1

Oct 12, 2022 · 54 min

S21·E2 Core

Episode 2

Oct 19, 2022 · 54 min

S21·E3 Core

Episode 3

Oct 26, 2022 · 54 min

S21·E4 Core

Episode 4

Nov 2, 2022 · 54 min

S21·E5 Core

Episode 5

Nov 9, 2022 · 54 min

S21·E6 Core

Episode 6

Nov 16, 2022 · 54 min

S21·E7 Core

Episode 7

Nov 30, 2022 · 54 min

S21·E8 Core

Episode 8

Dec 7, 2022 · 54 min

S21·E9 Core

Episode 9

Dec 14, 2022 · 54 min

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