Dai Sentai Goggle V The Last Day of the Secret Base Season 1 Episode 48 Airdate: January 15, 1983 Synopsis As Goggle V tries to stop Deathdark's Dark Hole project, Mazurka is given a Hightron upgrade to find the Future Science Foundation base, unknowing of Deathmark's true intentions. ← This is the Ultimate Weapon All episodes General! The Final Challenge →