This is the release group. They are well-known in the encoding community for "mini-MKV" files—high-quality video at significantly smaller file sizes.
The animation in this episode is vibrant, particularly the futuristic dinosaur technology. The 10-bit HEVC format is ideal for this episode as it handles the bright, varied color palette of the dinosaur ships and portals very well. This is the release group
If you are looking for a balance between , this PSA encode is excellent. It preserves the sharp lines and bold colors of the show while keeping the file size manageable (usually around 200–300MB). This is the release group