Kaibutsu-kun
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Anime DetailsFINISHED

Format
TV series
Episodes
49
Episode length
25 min
Total watch time
20 h 25 min
Status
Finished
Aired
April 21, 1968 – March 23, 1969
Season
Spring 1968
Source
Manga
Original creator
Fujio A Fujiko
Age rating
PG — Children
Country
Japan
AniList score
64/100
Estimated watch time
20h 25m
⚡ 10 days at 5 eps/day

Tags & Tropes

Achromatic79%Demons60%Shounen60%Werewolf60%Vampire60%
TVFINISHED1968 SPRING6.4 / 10 AniList score

Kaibutsu-kun

怪物くん
overview details

Synopsis

The prince of Kaibutsu Land, Kaibutsu-kun, decides to go to the human world as part of his training to become the King. (Source: Anime News Network)

Should you watch Kaibutsu-kun?

Kaibutsu-kun has been met with mixed reactions, with an average AniList score of 64/100 — 47% of 240 ratings are 8/10 or higher.

Of the 496 AniList users who started it, 15.7% dropped it, so it is dropped more often than most; 344 have finished it.

At roughly 20 h 25 min in total, it is a long commitment — about 3 weeks at an hour a day.

Best for viewers who enjoy Comedy, Horror — especially achromatic, demons, shounen, werewolf.

Where to Watch Officially

A streaming link is not listed for this title yet.

Episodes

49 episodes are listed.

Main cast & voice actors

Creators & key staff

Original creator
Fujio A Fujiko

Where it fits in the series

If you like Kaibutsu-kun

Kaibutsu-kun FAQ

How many episodes does Kaibutsu-kun have?

Kaibutsu-kun has 49 episodes of about 25 minutes each, roughly 20 h 25 min in total.

How long does it take to watch Kaibutsu-kun?

About 20 h 25 min back to back. At two episodes a day it takes 25 days; at one hour a day, about 21 days.

Is Kaibutsu-kun finished?

Yes. Kaibutsu-kun has finished airing — the final episode aired March 23, 1969.

Is there a season 2 of Kaibutsu-kun?

No sequel is listed for Kaibutsu-kun as of October 2026. You can continue the story in the original manga.

Is Kaibutsu-kun based on a manga?

Yes. Kaibutsu-kun adapts the manga by Fujio A Fujiko.