The yet-to-be-titled documentary already has the Gilmore Girls fan base hungry for more details—and an extra cup of coffee. Here’s what we know about the Gilmore Girls documentary so far, including if any of the main cast members are participating in the project. What will the Gilmore Girls documentary be about? CBS Photo Archive // Getty ImagesWhat has the original cast said about the Gilmore Girls documentary? The documentary will stream on HBO Max upon its release, though no release date has been revealed yet.