Season guide
回形针PaperClip: Season 4
15 episodes
Premiered Oct 15, 2019 Updated Oct 3, 2026
Previously on 回形针PaperClip
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 回形针PaperClip 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.