This app was mentioned in 6 comments, with an average of 1.50 upvotes
android: download tubio and watch/stream to chromecast with no ads*.
windows/mac: download noxPlayer(android emulator), install tubio and watch with no ads*.
https://nox-app-player.nl.softonic.com/
https://play.google.com/store/apps/details?id=com.aesoftware.tubio
tubio also works like a normal browser without chromecast, and noxPlayer is to emulate android to use tubio in windows/mac
`*tubio shows an ad while playing on chromecast, you won't even notice them. It's worth the trade against the annoying ads these websites provide.