Since "The Bay" (the web series by Gregori J. Martin) doesn't officially have a commercial BD-9 release, I'll assume you're looking for a written as if for a scene release or a high-definition encode of this episode.
It looks like you're referring to , and the "BD9" likely indicates a Blu-ray Disc 9 (a BD-9, which is a Blu-ray format on a DVD-sized disc, often used for HD releases on budget or bootleg media). the bay s03e05 bd9
– Bitrate dips in dark parking-garage scenes cause minor banding, but facial textures (sweat, tears, aged makeup) are well-resolved. Since "The Bay" (the web series by Gregori J