archytele The Vault
Episode guide

S4·E20 The Night-Sky Blade

Core Aired August 30, 2020

Narrative Classification: Standard continuity chapter maintaining character development and season progression.

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Synopsis

Alice and Asuna head to the World’s End Altar as Kirito confronts Gabriel. Unless he can defeat Gabriel and return to the real world before the maximum-acceleration phase begins, Kirito will have to spend the next 200 years in the Underworld.

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Frequently Asked Questions

When did Season 4 Episode 20 of Sword Art Online air?

Season 4, Episode 20 ('The Night-Sky Blade') originally aired on August 30, 2020.

How long is Season 4 Episode 20 ('The Night-Sky Blade')?

The episode follows the standard broadcast runtime for Sword Art Online.

What happens in Sword Art Online Season 4 Episode 20?

Alice and Asuna head to the World’s End Altar as Kirito confronts Gabriel. Unless he can defeat Gabriel and return to the real world before the maximum-acceleration phase begins, Kirito will have to spend the next 200 years in the Underworld....

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