You can watch and download the episodes on Internet Archive. In order to download and watch in HD, you need VLC Media Player.
Link:https://archive.org/details/final-space_202209/Final.Space.S01.1080p.BluRay.x265-RARBG/Final.Space.S01E01.1080p.BluRay.x265-RARBG.mp4
I was just gonna post this exact same thing! Glad to see I'm not the only one who looks both for stuff and out for my fellow Final Space fans.
What do you think?