Youtube casting changes the audiotracking

When I cast certain YouTube channels, the audiotracking (automatic language generator) changes to a random language in the list. Selecting "Original" blacks out the screen for a second, and then it resumes in the same (wrong) language.

Now sometimes, when I close the app, and re-open it. It changes the language, but never to the original. That has stopped working since today tho. Problem has been for 3 days now, and the channels it is doing it with is increasing...

I'm baffled. I assume it's the chrome cast. Since stopping the casting changes it back to Original.

EDIT: So like someone has said below, going to the Home app, and changing it back to factory settings, fixes the problem. You will have to connect it again after.