The Grinch - watch online: stream, buy or rent
Currently you are able to watch "The Grinch" streaming on Amazon Prime Video. It is also possible to buy "The Grinch" on Apple TV, Microsoft Store as download or rent it on Microsoft Store, Apple TV online.
There aren't any free streaming options for The Grinch right now. If you want know when it is streaming for free, click 'Free' in the filters above and hit the notification bell.