Spoken languages is intended for the language(s) spoken in the original version of the film/tv series.

So, we should add language from "original TV series language" in any show that doesn't have it, or not? In that specific production, someone must add "Japanese" & English language too because, according to "IMDB", there were three languages that this show had! So, give me proper information on that matter and unlock production for me, to add languages! Hopefully getting answer/action soon and not in a month, again...

Everything you need to know is already in the Contribution Bible: https://www.themoviedb.org/bible/tv#59f7403f9251416e7100002f English & Japanese should not be added as spoken languages, unless you can prove that both languages were spoken in pretty much every episodes of the original Spanish version.

A month and 5 days to get an simple answer. A progress! Hey guys, you work too fast! With such steps, in 200 years from now, database will be ready on all past productions (except those thousands of course, that none can find official proof!)! So tell me this in February you're gonna answer... How can I prove that if there are thousands of productions worldwide that not only don't have official webpages, but there is no material exists anywhere at all? I have to send you a sample of audio that I speak Spanish on scenario? Define what is "proof" to you if there is no material or official releases/webpages, cause in my opinion we're not getting anywhere if we stuck every time in any production that you ask from feeders to find out stupid proof instead of trust him, also trying to communicate after a month answering on ridiculously simple matters as this. That's ignorant and you should try to work on feeding, finding out by yourself (not YOU specifically! Anyone who wrote that "bible"!) those countless productions worldwide that you cannot find proof ANYWHERE, besides older databases and Wikipedia.

Besides that, you grab IMDBs thousands of thousands of information on productions, automatically, without even sweat but now, suddenly, its information is not solid on that specific TV series! People laugh...