Is Gantz:O good to watch with a friend?
One sitting. Gantz:O (Gantz Movie) is a film from Fall 2016 by Digital Frontier Inc.: 1 episodes, about 1.6 hours in total, finished, 7.41/10 across the listing sites.
Watching it together: one sitting. It is a film (about 1.6 hours), so the whole thing fits one evening — the easiest kind of anime to agree on. Rule: type MOVIE → one sitting.
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
- Film
- Episodes
- 1
- Episode length
- 95 min
- Total time
- about 1.6 hours — one evening
- First aired
- Fall 2016
- Status
- Finished
- Studio
- Digital Frontier Inc.
- Score
- 7.41/10 across the listing sites
- Tags
- action, adventure, aliens, manga adaptation, cyberpunk, demons, drama, ecchi, gore, fantasy, martial arts, horror, monsters, nudity, mecha, psychological, robots & AI, sci-fi, seinen, supernatural, survival, thriller, swordplay, tragedy, violence, youkai
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 Gantz:O?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Gantz:O 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 · aliens · manga adaptation · cyberpunk · demons · drama · fantasy · martial arts · horror · monsters · mecha · psychological · robots & AI · sci-fi · seinen · supernatural · survival · thriller · swordplay · tragedy · youkai.
Quick answers
- How long does it take to watch all of Gantz:O?
- About 1.6 hours — one sitting.
- How many episodes does Gantz:O have?
- 1 episode of 95 min.
- Is Gantz:O finished?
- Yes, Gantz:O is finished (1 episodes), so you can watch the whole thing at your own pace.
- Is Gantz:O good for a group?
- Better for two than for a crowd. Gantz:O is tagged drama, psychological, tragedy; it rewards paying attention, which a group rarely does.
- Where is Gantz:O listed?
- Gantz:O is on AniList (id 21496) and MyAnimeList (id 32071); 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