Master Mayhem's trying to get fit, with the help of his ultimate buff-bot monster, RoBro. But working out is a bit too much work, for this pizza-loving galactic overlord. So he's sending RoBro to flex his muscles, and whip Planet Earth into shape.
Master Mayhem has caught a serious case of Space Flu. This overlord's gonna take a sick day from planet-conquering, so he's sending Dome Diddy Dome, powered by a hot dog inside its dome, to dish out some super sick destruction on Earth.
Major Disappointment is literally obsessed with his new VR video game: "Virtually Salad!" To get some gaming time, Master Mayhem distracts Major Disappointment, sending him away to make sure it's Game Over for Earth.
Master Mayhem's Mom arrives for a surprise visit, and now he wants to prove he's her favorite child. And that means actually destroying Earth. Hopefully Teensy the Tri-Terror-Tops can help crush humanity and impress Mama Mayhem.
Master Mayhem is packing for a little vacation. He found a super cheap hotel, and while he's away, the Earth will pay. He's sending Macho Cheese to crumble Earth's Champion and cover our planet in cheese - and cheesy jokes.
Master Mayhem wants to become a master magician, and he's pulling a bit of mayhem out of thin air. When his tricks begin to backfire, Me-Ouch takes it upon herself to attack planet Earth and make our Champion disappear.
Master Mayhem is so confused by his shiny new smartphone that he can't work out how to do anything on it! Dome Ditty Dome uses the chance to launch her own assault on Planet Earth!
Master Mayhem's finally coming to invade Earth himself, to finish the job once and for all. Meanwhile, he trusts that his irresponsible monsters won't destroy the condo. Whoops.