You can set your language preference before watching videos on Viki. This will ensure that Channel titles, descriptions and subtitles will be set to your language if available. At the moment, the site is entirely localized in Spanish and English, which you can select at the bottom of the Viki website.
To select your preferred language, do the following:
Click the down arrow next to your profile picture at the top right of the page, and choose ‘Account Settings’
Choose your preferred language from the drop down menu under ‘Content Language Preference’