All of the major streamers have a robust selection of drama movies in their libraries for discerning and mature audiences. However, not all of the dramas are created equal or exclusive to a single platform. To find the top selections of the month, Watch With Us has picked the five best drama movies to watch in October as ranked by Rotten Tomatoes score. HBO Max's drama selection was a little light this month, but Netflix filled the gap with two picks, including one of 2025's most underrated movies. 6 Must-Watch Drama Movies on Prime Video (October 2025): 'Argo' and More 5.