Avatar: The Last Airbender (ATLA) 1080p Fan Remaster is a widely acclaimed community-driven project created to fix the visual issues found in the original DVD releases. Project Overview
While there is no official 1080p remastered version of ATLA available, fan-made remasters and upscaled versions can be found online. Fans should be cautious when accessing these unofficial sources, as they may infringe on copyright laws. It's recommended to wait for an official announcement from Nickelodeon or the creators regarding a legitimate HD remastered version. atla remastered in 1080p link
The 1080p remaster looks particularly stunning on an OLED screen, as the color correction makes firebending pop and waterbending shimmer. Avatar: The Last Airbender (ATLA) 1080p Fan Remaster
If you prefer official platforms, several services now offer the series in true high definition. atla remastered in 1080p link