The Voltron Force is back where they belong...in the cockpits of their formidable robot lions. Zarkon's final desperate play has failed and all that's left now for the team is to break the blockade Planet Doom has erected around the Earth. The first arc of Generation Voltron comes to an explosive conclusion as the Voltron Force takes on any and everything Doom can throw at them...but can even they survive the secret weapon buried beneath the surface of Moon-2? The action never stops in the story that could only be called 'Interlock'...