Engine Sentai Go-Onger: Seminar dayo! Zenin GO-ON!! (セミナールだよ！全員GO-ON!! Semināru da yo! Zen'in Gōon!!?) is a special DVD in which Bomper lets each of the Go-Ongers do their own special seminar on ecology and also tie into the three Gaiark Pollution Ministers. Sōsuke and Gunpei start by helping Renn show how water and oil can't be mixed as Speedor covers Kegalesia and her Water Savage Machine Beasts. Then Hant shows how clean air is essential for people in an exercise experiment that nearly suffocates Gunpei from breathing in too much polluted air and being saved by inhaling helium by mistake as Speedor explains about Kitaneidas and his Savage Air Machine Beasts along with the Go-On Wings. After Gunpei's voice returns to normal, Saki begins her lesson though unaware she was supposed to teach