When a platypus wanders into a zoo one day, the animals want to know why he should be allowed to join them.

After a class trip to a floating zoo where animals are mistreated and Savannah's missing pet monkey is found in a cage, Long Island sixth-grader Griffin Bing and his band of misfits plan a rescue.

"Someone is trying to hunt FunJungle's Asian greater one-horned rhinoceros, and twelve-year-old Teddy Fitzroy is on the case"--

Noah, Megan, Richie, and Ella must navigate a maze of never-ending aquariums in the Secret Zoo to rescue their animal friends.

When the Dumb Bunnies visit the zoo they let all the animals out of their cages because they mistake a butterfly for an escaped lion.

Dink, Josh, and Ruth Rose investigate the kidnapping of the new baby panda at the petting zoo.

When zookeeper Walt announces that the zoo will have to close, all of the animals pitch in to try to save their home, but it's Ellie the elephant who reveals a talent that just may keep the zoo open for good.

"Amelia Bedelia is sick the day her class goes to visit the zoo. She doesn't want to be left out, so she comes up with a brilliant idea--she'll create a zoo in her backyard, using all her classmates' pets. But she doesn't know exactly how to tell her parents about her great plan"--

When Buzz and Liz visit the zoo, their pets Fly Guy and Fly Girl go looking for food, and find the Creatures of the Night exhibit, where they see animals that would like to eat them.

"On Halloween night, the scouts, along with their Descender allies, must battle terrifying sasquatches at their own elementary school. Little do they know, the sasquatches are merely the bait to a frightening off-limits sector of The Secret Zoo. Meanwhile, Noah and his friends must protect two of their animal allies from police officers who are convinced that they are dangerous animals on the rampage. Will the scouts be able to save their friends...