Bart is running away from a group of kids from the neighboring town, Shelbyville. He enters a tiger feeding area and needs to exit through door number 7 to escape; otherwise, he'll encounter a man-eating tiger. However, the doors are labeled in roman numerals, and he doesn't know roman numerals. He uses his knowledge of Rocky movies to figure out the correct door to open.
Ms. O tells a story about the hydraclops' attack on the Odd Squad headquarters. One of the agents finds out what each hydraclops dislikes and represents their dislikes in a venn diagram. Unfortunately, the team has only enough time to fire one shot at both hydraclops, so they will need to find something that both of them dislike. Ms. O explains venn diagrams to the team and uses one to find a mutual dislike: eggs yolks.