This denotes a high-definition resolution (1920x1080) with a 10-bit color depth , which reduces "banding" in gradients (like shadows or skies) and provides a much richer visual experience compared to standard 8-bit files. Where to Watch

Believing Lyra is dead, Marisa Coulter experiences a profound emotional breakdown. She eventually reconciles with her dæmon in one of the series' most moving scenes, apologizing for years of mistreatment. Technical Specifications

The file name you mentioned ("INTERNAL.1080p.10bit") refers to a high-quality digital release:

You can stream the full series on platforms like HBO Max in the US or BBC iPlayer in the UK. Episode Discussion: S03E06 - The Abyss : r/hisdarkmaterials