If you have uBlock installed on any browser, you can whitelist Tubi TV by following the steps below:

1. Click on the uBlock icon at the upper right corner of your browser. This is what the icon looks like: 
2. Click on the Power button.
3. Refresh/reload your browser by clicking on the arrow making a clockwise turn. You can also close and reopen your browser.

Now Tubi TV will be whitelisted!