Stop it! Guirail's Reckless Run (止めるぜ! ギレールの暴走 Yameru ze! Girēru no Bōsō) is the thirty-first episode of Denji Sentai Megaranger. This is the beginning of a two-part climax of the battle with Guirail involving his transformation to the more powerful upgraded form: Mad Guirail.