It Came From Outer Space (S02E08)

Title: It Came From Outer Space Plot: Rev and Lexi mistakenly believe Tech's X3000 Automated Weapon System is just a video game and decide to play with it. As a result, Melvin the Martian arrives in Acmetropolis, furious after his ship was damaged by a missile from Tech’s creation. He threatens to shrink the planet unless Lexi is surrendered to him within 24 hours. Realizing the gravity of the situation, Lexi confesses her role in the mishap. The Loonatics must race against time to stop Melvin, or Acmetropolis could vanish from all maps forever.