When Billy is sent to bed after playing with his Dr. Brainiac action figure, he wishes he had an adventure. Then, he notices a strange light outside and wanders into a corn field to investigate; there, he encounters Sperg, and they are both abducted by aliens who experiment with them. Later, when they return home, it is revealed that Sperg has a bomb implanted in his head, and also that there is a shortage of dairy products; Billy explains that the aliens are stealing Earth's dairy products because they are werewolf-like creatures who need cheese, and they have already mined all the cheese in the Moon. In the following, Billy's crazy story is confirmed when too many UFOs appear. Then, Billy says they must assemble a team of diary superheroes, the Green Squeaker (Billy), Milk Mandy, the Cheese Reaper, and Diary Boy (Sperg), to combat the aliens, but everybody is opposed to the idea. Later, the four of them have been captured and are sent to the Moon to be destroyed, but they escape and