https://ww23.0123movie.net/movie/hazbin-hotel-season-2-1630860091.html

Or

https://m.wcostream.tv/anime/hazbin-hotel

The first one does redirect and give you adds, but the second one shouldn't; sorry the previous link stopped working. But of course try and watch it on prime to support the creators directly. But for those who can't do that, I hope you enjoy :D