Voltron, Defender of the Universe: Vehicle Voltron

The Explorer is tricked into sending out search teams to a planet they believe the Drules are trying to colonize. However, it turns out that the air is not safe, and Cliff's Land Team is in trouble! Cinda and Hutch pass out, and their autopilot systems are locked. The Drule Empire attacks, and the Voltron Force faces its biggest challenge yet with two missing members and no way to reach them!