The must-watch HBO Max shows in the service's catalog are among the biggest draws for anyone interested in watching the streaming platform. HBO productions are well known for their investment in writing, direction, and cast, which often results in some of the best works ever. In addition, every new year, the platform keeps strengthening its reputation with new releases. In fact, what makes HBO one of the best streaming services out there is its catalog, which includes some of the most iconic TV shows and movies ever made. That means that with one subscription, you get access to decades of Emmy-awarded productions in one place. Even though the options in the catalog aren't as varied as Netflix's, HBO's originals have some works that few studios in the world can match. That variety also makes it hard to know which series to start with among so many options.…