While trying to prove their individual prowess during an obstacle course competition, Rick, Jedda and L.J. get a bit too serious, endangering themselves individually and as a flying unit. When the youngsters again risk their safety during a dogfight with Ming's roboships, their parents take them to the Amazon to compete in the Rites of Zesnan, a tribal warrior contest to develop good warriors. Ming intercepts a Dynak X transmission and arrives in South America before our heroes. Posing as a god he preconditions the natives against the Defenders. While Rick, Jedda and L.J. are on their respective paths of the warrior course, the Merciless One traps the elder heroes in a grid pattern with deadly sensor beam canons. Meanwhile our young Defenders, after fighting off an attack from the local tribesmen, band together. Discovering from one native the presence of Ming, they rush back to the Terry and working again as a well-oiled unit, turn all four laser canons against one another, blowing them to pieces and sending Ming fleeing for his cowardly safety.