How long does it take to watch all of Monster?

About 30 hours for all 74 episodes at 24 min each — a season of evenings; at two episodes a night that is 37 evenings.

Yes, Monster is finished (74 episodes), so you can watch the whole thing at your own pace.

Is Monster good for a group?

Better for two than for a crowd. Monster is tagged drama, psychological, tragedy; it rewards paying attention, which a group rarely does. At 74 episodes it also needs everyone to keep showing up.

Where is Monster listed?

Monster is on AniList (id 19) and MyAnimeList (id 19); 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 horror anime to watch with a friend

Is Monster good to watch with a friend?

A quiet night. Monster is a TV series from Spring 2004 by Madhouse Inc.: 74 episodes, about 30 hours in total, finished, 8.59/10 across the listing sites.

manga adaptationcrimedetectivedramaepisodicgorehistoricalhorror

Watching it together: a quiet night. Tagged horror, psychological, thriller, tragedy and not comedy: this wants attention and the right mood, not background chatter. Rule: heavy drama or psychological tags without comedy → quiet night.

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: 74
Episode length: 24 min
Total time: about 30 hours — a season of evenings
First aired: Spring 2004
Status: Finished
Studio: Madhouse Inc.
Score: 8.59/10 across the listing sites
Tags: manga adaptation, crime, detective, drama, episodic, gore, historical, horror, mystery, politics, psychological, revenge, seinen, thriller, tragedy, violence

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 Monster?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Monster 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: manga adaptation · crime · detective · drama · historical · horror · mystery · politics · psychological · revenge · seinen · thriller · tragedy.

Quick answers

How long does it take to watch all of Monster?: About 30 hours for all 74 episodes at 24 min each — a season of evenings; at two episodes a night that is 37 evenings.
How many episodes does Monster have?: 74 episodes of 24 min.
Is Monster finished?: Yes, Monster is finished (74 episodes), so you can watch the whole thing at your own pace.
Is Monster good for a group?: Better for two than for a crowd. Monster is tagged drama, psychological, tragedy; it rewards paying attention, which a group rarely does. At 74 episodes it also needs everyone to keep showing up.
Where is Monster listed?: Monster is on AniList (id 19) and MyAnimeList (id 19); 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