Nyarko is usually happy and hyper, but she's caught a cold and is stuck in bed. Nyarko is smitten by Mahiro, who's being a little nicer than usual. It's then that they get a report that an intruder has shown up at the North Pole. They leave Nyarko behind to recover and find that Mi-go was waiting for them...
How did an alien catch a cold anyway?
¿Pero cómo se puede 
resfriar un extraterrestre?
¿Cómo puede resfriarse un extraterrestre?
Como é que um alienígena pega um resfriado?