It looks like they have different series (left column), then an amount of movies for each series. That's 40 movies
To make a film, the player goes to a room with a green screen and faces a person in a Pokémon battle. During the battle, several script options are shown. The player must choose the option that best matches the movie script. The options chosen will determine the course of the film. Once the filming is complete, the player can watch the movie in >the theater.