You can watch “Backstabbed in a Backwater Dungeon: My Trusted Companions Tried to Kill Me, but Thanks to the Gift of an Unlimited Gacha” (often shortened to My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I’m Out for Revenge!) mainly on anime streaming platforms and a few video sites that currently host episode 1 with English subtitles.

Where to watch (legally & widely available)

Here are the main places it’s currently available or confirmed to stream:

[3] [7] [5] [2]
Platform Region (typical) What you get
HIDIVE U.S., Canada, U.K., Ireland, Australia, New Zealand (licensed) TV anime streaming as My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I’m Out for Revenge!, simulcast for Fall 2025 season.
Apple TV (channel listing) Selected regions (example listing in AU) Has an entry for the anime with 2025 release; availability depends on your local store or linked channels.
YouTube Global (varies by license) Episode 1 with English subtitles is uploaded and labeled as Episode 1 (check if it’s an official channel before relying on it).
Dailymotion Global (varies) Episode 1 English-subbed can be streamed; again, verify if it’s from an official source if you care about supporting the series.

Tip: The safest way to find the official stream in your country is to search within HIDIVE and your local anime platforms using the shorter title “My Gift Lvl 9999 Unlimited Gacha” or the long English title above.

What exactly is this series?

  • It’s an anime adaptation of the light novel “Backstabbed in a Backwater Dungeon: My Trusted Companions Tried to Kill Me, But Thanks to the Gift of an Unlimited Gacha I Got LVL 9999 Friends and Am Out For Revenge on My Former Party Members.”
  • The story follows Light , who is betrayed by his party in the deepest part of the dungeon “Abyss,” survives using his Unlimited Gacha skill, and spends years summoning overpowered level 9999 allies to prepare revenge on his former companions and the world that discriminates against humans.

If you see the title shortened to “Backwater Dungeon,” “Unlimited Gacha,” or “My Gift Lvl 9999 Unlimited Gacha,” you’re in the right place.

Extra: other ways to enjoy it

If you like the anime and want more:

  • Light novel (official English) – Licensed by J‑Novel Club under the same long English title; available digitally and focuses on Light’s revenge quest and his summoned allies.
  • Manga & fan sites – There are manga adaptations and mirror sites hosting chapters; be aware some are unofficial or scanlation-based.
  • Forum discussions – Fans on places like Reddit share impressions, spoilers, and recommendations if you’re looking for similar “revenge in a dungeon” stories.

TL;DR:
Search for it on HIDIVE under the name My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I’m Out for Revenge! ; if it’s not available in your region, check Apple TV listings , and (with an eye on legality) episode 1 is currently viewable on YouTube and Dailymotion with English subs.

Information gathered from public forums or data available on the internet and portrayed here.