Mighty Morphin Power Rangers Season 1 Episode 48 Plague of the Mantis Episode Title:Plague of the Mantis.Episode Description:Trini is learning a new style of Kung Fu. Meanwhile, Rita sends down the mighty Mantis monster to challenge Trini's new skills. Bulk and Skull attempt to open up their own brand of Kung Fu called Cockroach Kung Fu, but end up embarrassing themselves in the process.