Season guide
Duel Masters: Duel Masters LOST
12 episodes
Premiered Oct 4, 2024 Updated Sep 25, 2026
Duel Masters LOST is an alternate version of the 2022 anime series Duel Masters WIN that shows what would have happened if the protagonist, Win Kirifuda, had been defeated and lost his memories in the process.
Previously on Duel Masters
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 Duel Masters 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.
Season overview
Duel Masters LOST is an alternate version of the 2022 anime series Duel Masters WIN that shows what would have happened if the protagonist, Win Kirifuda, had been defeated and lost his memories in the process.
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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.