Calvin tells Hobbes he needs to give a five minute oral report in school on Thursday. Calvin explains they're supposed to research the subject, write it up, and present it to the class with a visual aid. Hobbes says that's a big assignment. Calvin says he hates his teacher. He says she knows they'll all do it the last night, but she gave them three days to worry about it.

Hobbes asks the subject of Calvin's report. Calvin replies "the brain". Hobbes asks what Calvin knows about brains. Calvin tells him he saw a movie where a guy's brain was kept alive in a tank of water. A power surge mutated the brain, and it crawled out and terrorized the populace. Hobbes says that's informative. Calvin laments that unfortunately for his report, Mom caught him and he didn't get to see how it ended.

Calvin tells Hobbes he has to give his report on "the brain" at school. He shows Hobbes his visual aid. He cooked some noodles and put them in a paper bag. As Calvin walks out the door, Hobbes asks if he has written his report yet. Calvin tells him that he borrowed Mom's pocket dictionary and will write it on the bus.

Calvin is in front of his class starting his report. He explains it will be difficult to explain the complexities of the brain in five minutes, but he starts with saying it's a part of the central nervous system. He looks at his wrist watch, then says he'll wait a few moments so they can finish writing that down. The teacher yells his name.