Sword Art Online S4E20
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S04E20 — The Night-Sky Blade
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Sword Art Online

S04E20 The Night-Sky Blade

2020-08-30

Alice and Asuna make their way to the World’s End Altar, where Kirito faces off against Gabriel. Kirito must defeat Gabriel and make it back to the real world before the maximum-acceleration phase kicks in; otherwise, he’ll be trapped in the Underworld for the next 200 years.

Season 4 Episodes

1
In the Far North
2019-10-13
 2
Raids
2019-10-20
 3
The Final Load Test
2019-10-27
 4
Dark Territory
2019-11-03
 5
The Night Before Battle
2019-11-10
 6
Battle of the Knights
2019-11-17
 7
Stigma of the Disqualified
2019-11-24
 8
Blood and Life
2019-12-01
 9
Sword and Fist
2019-12-08
 10
Stacia, the Goddess of Creation
2019-12-15
 11
Heartless Choice
2019-12-22
 12
Ray of Light
2019-12-29
 13
The War of Underworld
2020-07-12
 14
End to Eternity
2020-07-19
 15
Instigation
2020-07-26
 16
Code 871
2020-08-02
 17
Prince of Hell
2020-08-09
 18
Memories
2020-08-16
 19
Awakening
2020-08-23
 20
The Night-Sky Blade
2020-08-30
 21
Beyond Time
2020-09-06
 22
Alice
2020-09-13
 23
New World
2020-09-20