In the first segment, Brain uses an enlarging ray to make himself and Pinky bigger. He dresses Pinky as Gollyzilla and has him terrorize the city with the plan to come in and save the city, however, he ends up fighting the Real Gollyzilla. In the second segment, Brain makes Pinky Smarter so he won't get in the way so much. In the final segment Brain sings a song to the tune of "Camptown Races" that goes over the different parts of the Brain.
Knowing that the population craves an honest politician, Pinky and The Brain mechanize the Lincoln Memorial and drive it around town, convincing the population that it's the reincarnated Lincoln. They meet with some success--but not quite enough.
Pinky arrives in Vienna circa 1946 to search for his friend, The Brain. Several people tell him that The Brain was killed in a chemical explosion. It is later revealed that The Brain is alive, but faked his death in the hopes of starting a new life.