Sophie discusses how plants and animals need to compete in order to survive and the role that adaptations play in their ability to survive. She explains how several animals and bugs have adapted to become better suited to surviving in city environments.

Hank the octopus uses numerous defense mechanisms to hide, sneak around, and protect both himself and Dory from danger. These mechanisms include the expulsion of ink and camouflage.

Bill Nye introduces reptiles and explains how they are able to live in different environments around the world by regulating their own body temperature. As cold-blooded organisms, they don't keep the same body temperature throughout the day.

Mr. Bean gets a pet chameleon which he attempts to hide from Mrs. Wicket.

Dory drops the scubadiving goggles that she and Marlin found, and they swim to the abyss to find them. In the darkness, they find a light emitted from an anglerfish, which attempts to prey on them. Marlin distracts the anglerfish and directs its light to the goggles so that Dory can read the address on them.