To watch downloaded TV shows and movies with audio descriptions, follow the steps for your device.
From your device's home screen, select Settings.
Select Accessibility.
If your device is running iOS 12 or lower, select General > Accessibility.
Select Audio Descriptions.
Set the switch to On.
Return to the Netflix app.
While playing a downloaded title, tap the Audio & Subtitles option from the player menu.
Make sure your selected audio option contains Audio Description.
Return to playing the TV show or movie with audio descriptions enabled.
Open the Netflix app.
While playing a downloaded title, tap the Audio & Subtitles option from the player menu.
Make sure your selected audio option contains Audio Description.
Return to playing the TV show or movie with audio descriptions enabled.