To log out of Netflix on a TV, open the app, select the profile icon in the top-right corner, choose Manage Profiles or Settings, then select Sign…
This is the standard method and works on virtually every Netflix-capable television.
Before you can sign out, you have to find the app, and that is not identical across hardware.
Here is the trick most people miss.
It is tempting to treat staying signed in as harmless convenience.
Read the complete breakdown, fixes and what happens next.