Curry Barker is one of a growing number of horror filmmakers who got their start on YouTube.

Everyone watches YouTube. From cooking demos and vlogs to sports highlights and interviews, YouTube has countless hours of video content. Add free movies to the list of possibilities on the service.

The Roku Channel has a diverse batch of movies available to stream for free with ads this month. The streamer’s feature library in December includes one of the most beloved big-screen romances of the ...