Kyoufu no Niko-chan Daiou/Chikyuu SOS!

Out of nowhere, King Nicochan and his servant appear from outer space, intent on subjugating Earth. While jumping on a trampoline, Arale and Gatchan are launched into orbit and end up aboard the spaceship, where they quickly realize that they are dealing with two lunatics who are nevertheless extremely dangerous and enjoy sweeping Mars out of space for fun.