Eureka! The Desperate Move of Desperation (完成! とんでもない必殺技! Kansei! Tondemonai Hissatsuwaza!?) is the fourth episode in the fourth season of Ranma ½, Outta Control, and is the 68th episode overall. Down but not out yet, Ranma makes plans to defeat Happosai and recover the chart he needs to undo the Strength-Sapping Moxibustion.