PRLG-Underground (full title: Power Rangers Lost Generation: Underground) was the 3rd unreleased fanfilm production of Anthony Marsh, Jr 's Power Rangers: Lost Generation fanfilms - based on Power Rangers: Lost Galaxy - that was originally set for a release on June 29, 2006. Unfortunately, the film was delayed and production had to be revisioned in November and December 2006 and was completed in January 2007.