The best movies to watch in 4K to show off the crystal-clear picture quality of ultra-high-def monitor and smart TVs. In the age of high-definition streaming and 4K Blu-rays, there’s no shortage of classic movies, art films, and blockbusters for cinephiles to enjoy at home. Today, this is the closest to a cinematic theater experience for those who’d rather view movies from the comfort of their couch or desk.