Sword Art Online

Sword Art Online (2012 – 2020)

2012 • 4 seasons • Animation, Sci-Fi & Fantasy • TV-MA

On August 9, 2026

#2023 ▲ 2743

2023rd by attention TV show online

7,585.3 Attention Score

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photo from the episode

Episode 12 — The Sage of the Library

Season 3 • Sword Art Online

Released: 2018-12-23 • Animation/Sci-Fi & Fantasy/Action & Adventure

81%

User score

Kirito and Eugeo escape from their cell, only to find their way blocked by Eldrie Synthesis Thirty-One, under orders from Alice to lie in wait for them. Kirito and Eugeo struggle against him until Eugeo realizes that he's seen Eldrie somewhere before.

Where to Stream Episode 12

Season 3 · Episode 12 · Streaming in USA

JustWatch

Crunchyroll Amazon Channel

Episodes

Episode 1
Underworld
2018-10-07

Episode 2
The Demon Tree
2018-10-14

Episode 3
The End Mountains
2018-10-21

Episode 4
Departure
2018-10-28

Episode 5
Ocean Turtle
2018-11-04

Episode 6
Project Alicization
2018-11-11

Episode 7
Swordcraft Academy
2018-11-18

Episode 8
Swordsman's Pride
2018-11-25

Episode 9
Nobleman's Responsibilities
2018-12-02

Episode 10
Taboo Index
2018-12-09

Episode 11
Central Cathedral
2018-12-16

Episode 12
The Sage of the Library
2018-12-23

Episode 13
Ruler and Mediator
2019-01-06

Episode 14
The Crimson Knight
2019-01-13

Episode 15
The Relentless Knight
2019-01-20

Episode 16
The Osmanthus Knight
2019-01-27

Episode 17
Truce
2019-02-03

Episode 18
The Legendary Hero
2019-02-10

Episode 19
The Seal of the Right Eye
2019-02-24

Episode 20
Synthesis
2019-03-03

Episode 21
The 32nd Knight
2019-03-10

Episode 22
Titan of the Sword
2019-03-17

Episode 23
Administrator
2019-03-24

Episode 24
My Hero
2019-03-31

Information

Episode air date	23.12.2018
Episode runtime	24 min
Episode rating	8.10
Genres	Animation / Sci-Fi & Fantasy / Action & Adventure
TMDB series rating	8.2
IMDb series rating	7.5
Series status	Ended
Age rating	17+
Country	JP

Trailer of Season 3

Additional videos

Official Trailer

Official Trailer

▶

Season 2 Teaser

Season 2 Teaser

▶

English Dub Trailer

English Dub Trailer

▶

Cast

Yoshitsugu Matsuoka

Yoshitsugu Matsuoka
Kirito (voice)

Haruka Tomatsu
Asuna (voice)

Hiroaki Hirata
Klein (voice)

Ai Kayano
Alice Synthesis Thirty (voice)

Rina Hidaka
Silica (voice)

Hiroki Yasumoto

Hiroki Yasumoto
Agil (voice)

Isshin Chiba
Critter (voice

Kaori Maeda
Selka (voice)

Taku Yashiro
Iskahn (voice)

Yuhko Kaida
Dee Eye Ell (voice)

Junya Enoki
Lilpilin (voice)

Kanae Itou
Yui (voice)

Miyuki Sawashiro

Miyuki Sawashiro
Sinon (voice)

Ayahi Takagaki
Lisbeth (voice)

Ayana Taketatsu

Ayana Taketatsu
Leafa (voice)

Sanae Kobayashi

Sanae Kobayashi
Rinko Koujiro (voice)

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