What's a good movie to watch? That question is hard to answer, but an easy way to find what's worth your time is by using Rotten Tomatoes. The site aggregates critic scores from around the world and assigns a percentage. Anything above 80 percent is considered good, so Watch With Us has curated a list of the best Amazon Prime Video movies, ranked by RT scores of 80 percent or higher. July's list includes a classic Robin Williams comedy, a recent Oscar-winning drama and a '90s crime thriller starring Kim Basinger. 'L.A.