Overlord Story Arcs Guide
Episode ranges, plot summaries, and frequently asked questions for every major arc in Overlord. Updated 2026.
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Season 1 — Tomb of Nazarick
Eps 1–13 · 13 epsWhat episodes are Season 1 of Overlord?
Episodes 1–13. On the final day of a popular MMORPG, player Momonga stays logged in as the servers shut down — and finds himself trapped in the game world as his skeleton mage character, with his NPC servants now sentient. He adopts the persona of Ainz Ooal Gown and begins expanding his power.
Is Overlord filler or canon?
Overlord is adapted from Kugane Maruyama's light novels with minimal filler. Season 1 covers volumes 1–3 of the novels.
Season 2 — Lizardmen & Sebas Arc
Eps 14–26 · 13 epsWhat episodes are Season 2 of Overlord?
Episodes 14–26. Nazarick conquers the Lizardmen tribes and Sebas Tian (Ainz's butler) operates in the human kingdom, rescuing a slave girl. These arcs expand the world beyond Nazarick.
Season 3 — Ruler of Conspiracy
Eps 27–39 · 13 epsWhat episodes are Season 3 of Overlord?
Episodes 27–39. Ainz visits the human kingdom as a "hero." Nazarick orchestrates the destruction of an entire nation — a dark turn that cements Overlord's tone as a villain protagonist story without moral softening.
Season 4 — The Half-Elf God-kin
Eps 40–52 · 13 epsWhat episodes are Season 4 of Overlord?
Episodes 40–52. Ainz travels to the Elf Kingdom and confronts a being who may be a genuine threat to Nazarick. The scope of the world and the nature of the New World's "Players" are expanded.