Greening the Cube.While making repairs to the Castle, the Paladins encounter unusual spongy spores that lead them to a planet of brilliant engineers — the Olkari. When landing, Team Voltron meet the Olkari people in the forest, where they adapted from machine- to nature-based technologies. When rescuing the Olkarian king Lubos, Team Voltron find he willingly sold out his people as slaves to live in comfort, while his people build a super-weapon for Zarkon's forces. Voltron engages the super-weapon cube, which learns and adapts to their attacks, even replicating them...