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Toaru Majutsu no Index III cover

Is Toaru Majutsu no Index III good to watch with a friend?

Easy to drop in. Toaru Majutsu no Index III (A Certain Magical Index Season 3) is a TV series from Fall 2018 by J.C. Staff, J.C.Staff Co., Ltd.: 26 episodes, about 10 hours in total, finished, 6.91/10 across the listing sites.

actionrobots & AIlight-novel adaptationcomedycoming of ageurban fantasycrimecyberpunk

Watching it together: easy to drop in. Comedy or action in a short run: you can start tonight without a plan, and a missed episode does not ruin it. about 10 hours for the run, 13 evenings at two a night. Rule: episodic, slice-of-life, or comedy/action ≤ 26 episodes → easy to drop in.

This verdict comes from rules over the title's format, length and tags, not from a review — the rule that fired is named above.

The facts

Type
TV series
Episodes
26
Episode length
23 min
Total time
about 10 hours — a weekend
First aired
Fall 2018
Status
Finished
Studio
J.C. Staff, J.C.Staff Co., Ltd.
Score
6.91/10 across the listing sites
Tags
action, robots & AI, light-novel adaptation, comedy, coming of age, urban fantasy, crime, cyberpunk, drama, gore, fantasy, harem, martial arts, friendship, school, detective, love triangle, magic, military, superpowers, romance, parody, sci-fi, shounen, supernatural, survival, swordplay, tragedy, violence, war

Data from anime-offline-database (ODbL) as of 2026-07-04; the score is the median of the scores the anime listing sites give it, on a 1–10 scale.

Do you and a friend both want to watch Toaru Majutsu no Index III?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Toaru Majutsu no Index III flagged if it is one of them — then picks tonight's with a weighted roll or a bracket.

Do you and a friend both want to watch Toaru Majutsu no Index III?Free, no login — reads public AniList lists.

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Related anime

Toaru Majutsu no Index II
TV series · 24 ep · 2010 · 7.55/10

More like this: action · robots & AI · light-novel adaptation · comedy · coming of age · urban fantasy · crime · cyberpunk · drama · fantasy · harem · martial arts · friendship · school · detective · love triangle · magic · military · superpowers · romance · parody · sci-fi · shounen · supernatural · survival · swordplay · tragedy · war.

Quick answers

How long does it take to watch all of Toaru Majutsu no Index III?
About 10 hours for all 26 episodes at 23 min each — a weekend; at two episodes a night that is 13 evenings.
How many episodes does Toaru Majutsu no Index III have?
26 episodes of 23 min.
Is Toaru Majutsu no Index III finished?
Yes, Toaru Majutsu no Index III is finished (26 episodes), so you can watch the whole thing at your own pace.
Is Toaru Majutsu no Index III good for a group?
Yes. Toaru Majutsu no Index III is tagged action, comedy, parody, the tags that survive a room full of people talking over the screen.
Where is Toaru Majutsu no Index III listed?
Toaru Majutsu no Index III is on AniList (id 100185) and MyAnimeList (id 36432); Queue Up keys it by its AniList id and shows it when it is on either of your lists.

Queue Up is a free tool: enter two AniList usernames and it ranks the anime you both want to watch, rolls one for tonight, runs a bracket to settle it and finds new anime that fit both of you. List data from AniList; title data: anime-offline-database (ODbL), dataset of 2026-07-04; page updated 2026-07-04. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists