Three different language choices
The original language describes the production. An audio track determines what you hear in the player. A subtitle track determines the text shown over the picture. Those choices are connected but not interchangeable. Filtering for a programme's original language does not change a video already playing elsewhere.
An animated programme opens in the wrong language
Confirm the exact production and episode, then open the player's audio menu. If the preferred dub is not listed, inspect another available edition for your country. A title translated into English on a catalogue page does not guarantee an English soundtrack on every service.
Readable text on a bigger screen
Where the player supports customization, adjust size and background from your normal viewing position. Captions may include sound descriptions that a translated dialogue track omits. Choose the track that serves the viewer, not simply the first language match.
Timing and different editions
Check for a recap, special cut or combined animated segment when text appears early or late. Some players offer a timing offset; others require a different supplied track. Do not assume a subtitle file for one edition will align with every version.
For a television setup, see devices and full-screen viewing. For a missing language on an offline episode, check the download guide before leaving your connection behind.