Netflix hacked on my TV?

This has become a [Edited: "Language"]

After my wife and I drove to Texas from Maryland and returned, our Netflix acct had been hacked/changed. It was showing in Spanish and was no longer under the correct email address.

I was able to sign out of my Netflix acct and recreate it via Netflix. 
But now we’re being billed monthly AND Comcast is also paying it. I called Comcast today to try to fix it. Their suggestions made it worse. The Spanish account issue came back and I’m unable to sign out because all of logins require PINs. [Edited: "Language"]

Comcast has no more suggestions and suggests the problem is with Netflix. What the…????

FWIW:  I can log into my Netflix account via my browser just fine.