How long does it take to watch all of Kenja no Mago?

About 4.6 hours for all 12 episodes at 23 min each — a weekend; at two episodes a night that is 6 evenings.

Is Kenja no Mago finished?

Yes, Kenja no Mago is finished (12 episodes), so you can watch the whole thing at your own pace.

Is Kenja no Mago good for a group?

Yes. Kenja no Mago is tagged action, comedy, the tags that survive a room full of people talking over the screen.

Where is Kenja no Mago listed?

Kenja no Mago is on AniList (id 100112) and MyAnimeList (id 36407); Queue Up keys it by its AniList id and shows it when it is on either of your lists.

Queue Up — what anime do we watch?Compare two AniList lists →

Anime lists › Best reincarnation anime to watch with a friend

Is Kenja no Mago good to watch with a friend?

Easy to drop in. Kenja no Mago is a TV series from Spring 2019 by Silver Link.: 12 episodes, about 4.6 hours in total, finished, 6.97/10 across the listing sites.

actionadventurelight-novel adaptationcomedycoming of agedemonsfantasymartial arts

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 4.6 hours for the run, 6 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: 12
Episode length: 23 min
Total time: about 4.6 hours — a weekend
First aired: Spring 2019
Status: Finished
Studio: Silver Link.
Score: 6.97/10 across the listing sites
Tags: action, adventure, light-novel adaptation, comedy, coming of age, demons, fantasy, martial arts, found family, mythology, school, isekai, magic, military, monsters, politics, reincarnation, revenge, romance, superpowers, 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 Kenja no Mago?

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

Or open it on AniList or MyAnimeList.

More like this: action · adventure · light-novel adaptation · comedy · coming of age · demons · fantasy · martial arts · found family · mythology · school · isekai · magic · military · monsters · politics · reincarnation · revenge · romance · superpowers · swordplay · tragedy · war.

Quick answers

How long does it take to watch all of Kenja no Mago?: About 4.6 hours for all 12 episodes at 23 min each — a weekend; at two episodes a night that is 6 evenings.
How many episodes does Kenja no Mago have?: 12 episodes of 23 min.
Is Kenja no Mago finished?: Yes, Kenja no Mago is finished (12 episodes), so you can watch the whole thing at your own pace.
Is Kenja no Mago good for a group?: Yes. Kenja no Mago is tagged action, comedy, the tags that survive a room full of people talking over the screen.
Where is Kenja no Mago listed?: Kenja no Mago is on AniList (id 100112) and MyAnimeList (id 36407); 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