TV+ not syncing accounts between devices
I think you have an issue with syncing TV+ account status across devices. This is how to reproduce it:
1) Sign in for a 7-day trial on your iPhone
2) Choose PayPal (I don't know if this is related)
3) Watch an episode
4) Go to your Mac, open safari and go to https://www.apple.com/mx/apple-tv-plus/ sign in with the same account on your iPhone. Try to watch an episode it will ask you to start the trial, if you click on it it will ask you for your payment method again.
BTW I know its now your priority but TV+ is not working on Chrome correctly
MacBook Pro 13", macOS 10.14