Identify the caption type
Netflix tells viewers to look for its SDH badge on a title’s details page, while noting that some shows do not have SDH on every season or episode. A programme-level badge is a useful discovery clue, but it should not replace checking the exact instalment you intend to watch.
Compare the available labels
Netflix says an item without SDH may default to dialogue-only subtitles that omit context such as sounds or music. If the words are present but a door slam or musical cue is absent, record the selected track label before treating the display as a font or colour problem. Styling cannot add editorial cues that are not in that supplied track.
Use a bounded episode comparison
Open the actual episode’s Audio & Subtitles options and compare its offered languages and labels with the episode that previously met the viewer’s need. Keep the same profile and device if possible. This is a proposed comparison, not a claim that a particular series was checked or that every episode should have matching accessibility assets.
Report the precise gap
A useful Netflix support report identifies the programme, season, episode, selected track and the missing type of cue. Avoid saying all captions are broken when only one edition lacks the needed accessible track. The distinction helps separate a track-availability question from a genuine rendering error or a device appearance preference.
Questions, answered
Can SDH availability vary between episodes?
Netflix explicitly says it can.
Can a subtitle colour preference add missing sound cues?
No. Those cues must be supplied in the actual track.