Sword Art Online

Watch Sword Art Online Season 4 Episode 13 Online

“The War of Underworld” — Watch "Sword Art Online" Season 4 Episode 13 online in HD for free. Check streaming providers, cast, and episode details.
Jul 12, 2020 Season 4 Episode 13 23 min MA15+
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Sword Art Online Season 4
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Season 4 Episode 13 — Aired on Jul 12, 2020 • runs about 23 minutes.

Directed by Masakazu Obara.

Written by Kohei Urushibara.

Notable cast/guest names in this episode include Yoshitsugu Matsuoka, Haruka Tomatsu, Hiroaki Hirata, Ai Kayano.

This page includes 6 official still(s) (when available) plus legal availability links.

Looking for “watch Sword Art Online Season 4 Episode 13 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Sinon has logged in with the super-account of Solus, the Sun Goddess and rescues Asuna and the others at the last minute. Meanwhile, Leafa logs in with the super-account of Terraria, the Earth Goddess, and descends to the Underworld.

Stills

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Cast

Yoshitsugu Matsuoka
Yoshitsugu Matsuoka
as Kirito (voice)
Haruka Tomatsu
Haruka Tomatsu
as Asuna (voice)
Hiroaki Hirata
Hiroaki Hirata
as Klein (voice)
Ai Kayano
Ai Kayano
as Alice Synthesis Thirty (voice)
Rina Hidaka
Rina Hidaka
as Silica (voice)
Hiroki Yasumoto
Hiroki Yasumoto
as Agil (voice)
Isshin Chiba
Isshin Chiba
as Critter (voice
Kaori Maeda
Kaori Maeda
as Selka (voice)
Taku Yashiro
Taku Yashiro
as Iskahn (voice)
Yuhko Kaida
Yuhko Kaida
as Dee Eye Ell (voice)

Episodes – Season 4

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

Trailer / clip

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