Season guide
Complément d'enquête: Season 4
16 episodes
Premiered Sep 20, 2004 Updated Sep 26, 2026
Previously on Complément d'enquête
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 Complément d'enquête 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.
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Season 4 Episodes
Episode Guide
🛡️ SPOILER SHIELD
Season 4 Progress Shield
Future titles & synopses blurred. Tap "Reveal" on any card to peek.