Here are two examples of French TV shows that are perfectly found in TVDB but in Sonarr, end up without title.
Because of it, cannot be added in Sonarr.
***My best guess would be that Sonarr is looking for an English title… (variable in API maybe? don’t know)
Examples:
http://thetvdb.com/?tab=series&id=223701&lid=17
and
http://thetvdb.com/?tab=series&id=279757&lid=17
is there a workaround or fix? (Or this is a bug?)
Not a bug, its a limitation of the switch back to TVDB (trakt used to do something to fake this).
ah, didn’t look for the trello card…
Still, this is a bug that I hope will be look into sooner than later… Not just a question of metadata language…
I say that because it looks like it’s in “ideas/enhancement”… which isn’t IMO. It’s actually a core feature of Sonarr; adding a new show.
***Anyway, I voted on Trello (if it helps…)
And thanks for the quick reply, I appreciate it 
I got rid of Metabrowser not so long ago to let Sonarr handle all renaming of the folder and files.
With this issue, additionally to not being able to add French TV shows, I can’t use it to manage the renaming (since for some of them with English titles, episode titles are all TBA… useless)
I really hope this will be resolved because for anything in English natively, perfect solution but this forces me to reevaluate adding MetaBrowser back in my environment or switch to Sickrage (at least temporary I guess because Sonarr is REALLY superior IMO).
I have faith besides this (and generic torrent rss indexer) Sonarr is really perfect for me.
I’m starting to think this will never happen…
Very sad… 
I tried some url manipulation, but it seems there is no option in the skyhook middleman to search for a different language ID.
I’m sorry if I don’t understand, was does that mean exactly?
Sonarr doesn’t connect to the tvdb directly, but through a “proxy” server. This service doesn’t seem to allow different language searches.
Right, thanks.
So who would be responsible for this proxy?
Does this mean because of this proxy limitation, it won’t be possible?
This might be a stupid question but why doesn’t it use TVDB API (Like Plex does; which has no issue with languages)?
Skyhook itself isn’t a problem, the skyhook code can handle other languages, it just isn’t enabled. Sonarr can’t atm.
There are a few more things involved in proper operation with other languages.
We simply haven’t gotten around to implementing it yet.
Related Github issues:
As for skyhook vs tvdb. Skyhook cleans up the tvdb data, adds timezones, tvrage id. There is very little validation in tvdb, and the api results are regularly little more than junk.
Without skyhook, that neat little calendar you see in Sonarr wouldn’t work.
Yeah i have been waiting quite a while for this too…
It really is a shame that i use Sonarr for English shows (about 1000 shows) and still have to run SickBeard for the French Shows (about 60 Shows)
I guess good things come to those who wait 
Curious, You have an NZB indexer for French TV shows or torrent site?
Damn, I wasn’t sure if this was an issue or not. I used to have 19-2 (french) in my Sonarr, but now that I’m running a new install on my new server I can’t re-add it. Guess the best thing to do will be to try to get English language entries of these shows on TVDB.
It only works if TVDB also has English version of TV show… (and also the English version often has all episodes named "TBA"
Really useless if, like me, you also have French TV shows… REALLY looking forward for French support with TVDB (yeah, I still have hope lol)