How long does it take to watch all of Deca-Dence?

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

Is Deca-Dence finished?

Yes, Deca-Dence is finished (12 episodes), so you can watch the whole thing at your own pace.

Is Deca-Dence good for a group?

Yes. Deca-Dence is tagged action, comedy, parody, the tags that survive a room full of people talking over the screen.

Where is Deca-Dence listed?

Deca-Dence is on AniList (id 110353) and MyAnimeList (id 40056); 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 survival anime to watch with a friend

Is Deca-Dence good to watch with a friend?

Easy to drop in. Deca-Dence is a TV series from Summer 2020 by Nut Inc.: 12 episodes, about 4.6 hours in total, finished, 7.43/10 across the listing sites.

actionadventurerobots & AIcomedycoming of agedramadystopianfound family

Watching it together: easy to drop in. Slice-of-life: 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: Summer 2020
Status: Finished
Studio: Nut Inc.
Score: 7.43/10 across the listing sites
Tags: action, adventure, robots & AI, comedy, coming of age, drama, dystopian, found family, monsters, mecha, post-apocalyptic, psychological, parody, sci-fi, slice of life, supernatural, survival, thriller, tragedy, gaming, 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 Deca-Dence?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Deca-Dence 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 · robots & AI · comedy · coming of age · drama · dystopian · found family · monsters · mecha · post-apocalyptic · psychological · parody · sci-fi · slice of life · supernatural · survival · thriller · tragedy · gaming · war.

Quick answers

How long does it take to watch all of Deca-Dence?: 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 Deca-Dence have?: 12 episodes of 23 min.
Is Deca-Dence finished?: Yes, Deca-Dence is finished (12 episodes), so you can watch the whole thing at your own pace.
Is Deca-Dence good for a group?: Yes. Deca-Dence is tagged action, comedy, parody, the tags that survive a room full of people talking over the screen.
Where is Deca-Dence listed?: Deca-Dence is on AniList (id 110353) and MyAnimeList (id 40056); 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