Dunglap hires Dog to eat his homework so he can truthfully use the excuse, "My Dog Ate My Homework." Enterprising Cat creates Dog Ate It, Incorporated, a professional dog-eating-homework service. When the President hires Dog to eat his State of the Union address (unfinished), Dog has a crisis of conscience and gets sick. At the big moment, Dog refuses to go on, so Cat eats it instead, in front of 300 million people. The excuse doesn't fly, and CatDog get thrown out of the capitol.While looking through Winslow's telescope, CatDog become convinced that a big, black cloud is foretelling the rain to end all rains --the end of the world! CatDog, Cliff, Shriek, Lube, Rancid, Randolph, Mervis, and Dunglap try to build an ark out of the CatDog house, but a lightning bolt destroys it. As the moment of doom approaches, everyone starts confessing their deepest secrets. Cliff's real name is Clifford. Cat confesses his love for Shriek! Winslow shows up and brushes a peanut shell off the lens of his telescope. Some big, black cloud! Everyone is embarrassed, and begin fighting again.