Yuusha Exkaiser Episode 41: Mario to Juliette
Episode 41 of 48 of Yuusha Exkaiser, aired December 1, 1990, 25 minutes. Available with English subtitles and dub where released.
Episode summary
When aliens plan to invade earth, the young Kouta along with a giant robot from outspace named Exkaiser must team up to save the world and his friends.