Unlike some of the other streamers, the bulk of HBO Max's new movies in March tend to be older titles. Thankfully, there are some interesting and quirky films to choose from, especially if you happened to miss them in theaters. The Watch With Us team has selected the following three underrated HBO Max movies you should watch in March 2026. Our choices include an unconventional horror film, a very dark comedy and an adaptation of one of the most influential novels ever made.