Subtitles are typically available in English [CC] , Spanish, and several other languages depending on your region.
Start playing any episode, select the dialogue box icon at the bottom (or top) of the screen, and choose your preferred language. House of Usher (1960 Film) subtitle House of Usher
For the classic Roger Corman film starring Vincent Price, subtitle availability depends on the format. Spartacus: House of Ashur - Season 1 - Prime Video Subtitles are typically available in English [CC] ,
Netflix subtitles follow strict guidelines for readability, such as a maximum of 42 characters per line and a duration of between 5/6 of a second and 7 seconds per event. Spartacus: House of Ashur - Season 1 -
Depending on whether you are watching the modern Netflix series or the classic 1960 film, the "guide" to subtitles differs in terms of availability and technical standards.