Summary: An old lady shows up at Numbuh 1's house, inviting Sector V to a Children's Zoo. Numbuh 1 refuses and doesn't realize that the zoo is made to exhibit children instead of animals. Sector V then is captured by the lady and are made to become one of the attractions at the zoo. The zoologist reveals to them her plan, and that she wants to put them in the Bully's cage for lunch. To escape from the zoo, they team up with the Delightful Children. The DCFDTL decide to leave the KND in peace for now, and Sector V manages to get everyone out of the zoo.