Thanks for pointing that out @BananenTV.
I think that the full list of tmdb languages include:
Code
Language
Region
ar-AE
Arabic
United Arab Emirates
ar-SA
Arabic
Saudi Arabia
bg-BG
Bulgarian
Bulgaria
bn-BD
Bengali
Bangladesh
ca-ES
Catalan
Spain
ch-GU
Chamorro
Guam
cs-CZ
Czech
Czech Republic
da-DK
Danish
Denmark
de-DE
German
Germany
el-GR
Greek
Greece
en-US
English
United States
eo-EO
Esperanto
-
es-ES
Spanish
Spain
es-MX
Spanish
Mexico
eu-ES
Basque
Spain
fa-IR
Persian
Iran
fi-FI
Finnish
Finland
fr-CA
French
Canada
fr-FR
French
France
he-IL
Hebrew
Israel
hi-IN
Hindi
India
hu-HU
Hungarian
Hungary
id-ID
Indonesian
Indonesia
it-IT
Italian
Italy
ja-JP
Japanese
Japan
ka-GE
Georgian
Georgia
kn-IN
Kannada
India
ko-KR
Korean
South Korea
lt-LT
Lithuanian
Lithuania
ml-IN
Malayalam
India
nb-NO
Norwegian Bokmål
Norway
nl-NL
Dutch
Netherlands
no-NO
Norwegian
Norway
pl-PL
Polish
Poland
pt-BR
Portuguese
Brazil
pt-PT
Portuguese
Portugal
ro-RO
Romanian
Romania
ru-RU
Russian
Russia
sk-SK
Slovak
Slovakia
sl-SI
Slovenian
Slovenia
sr-RS
Serbian
Serbia
sv-SE
Swedish
Sweden
ta-IN
Tamil
India
te-IN
Telugu
India
th-TH
Thai
Thailand
tr-TR
Turkish
Turkey
uk-UA
Ukrainian
Ukraine
vi-VN
Vietnamese
Vietnam
zh-CN
Chinese
China
zh-TW
Chinese
Taiwan
I'll make a setting for the language for tmdb. Anywant want to test other languages and let me know if they should be added to PreShow?