: The name of the encoding group known for high-quality, small-sized "mini-MKV" releases.
This filename represents a high-definition video file of the TV show , specifically Season 6, Episode 5 ("Tomorrow"), encoded by the release group PSA . 9-1-1.S06E05.1080p.WEBRip.6CH.x265.HEVC-PSA.rar
: x265 files are roughly 30-50% smaller than x264 files without losing quality. : The name of the encoding group known
: The video codec. This format provides high quality at a much smaller file size than the older x264. specifically Season 6