Johnny is trapped with Carl and several others in an isolated dome where they have replicated various biomes found on Earth, such as swamps and tundras. Carl shows Johnny the characteristics of each biome and the types of organisms present in them. He also briefly discusses how the areas combined maintains a healthy ecosystem.
Shrek, Princess Fiona, and Donkey are having dinner with Fiona's parents, and Fiona's mother asks about where Fiona lives. They describe their living situation in a more elegant manner to avoid mentioning that they live in a swamp. However, Donkey ruins their efforts by mocking Shrek's description.