Michelle, Cassie's mother, is the head veterinarian at the Garden's zoo. The Animorphs often use the zoo portion of the Gardens to acquire morphs like elephants, tigers or dolphins and other exotic or uncommon animals. The main building houses the smaller animals that don't need as much space and is a "rain forest" for animals that need a warm habitat. The larger animals are outside in grassy areas that look like parks.
- African Elephant
- African Lion
- Black bears
- Cape buffalo (Buffa-Human)
- Dolphins (Chandler, Joey, Monica, Rachel, Ross and Phoebe)
- Gorilla (Big Jim)
- Grizzly Bear
- Komodo dragon
- Mallard ducks
- Mountain Goat
- Orca (Swoosh)
- Polar bears
- Sea lions
- Siberian Tigers
The park has numerous rides and attractions, such as Ferris Wheels, roller coasters, and water slides.
- The Invasion - After realizing their only morphs are relatively harmless animals, the Animorphs take a bus over to The Gardens to Acquire more dangerous morphs, with Cassie using her mother's employee discount to get them in, and enter the main building's employee only area so they can access the habitats. There, Marco acquires Big Jim, the Gardens' gorilla. The group soon encounter guards asking what the kids are doing, and split up; Jake and Marco end up in the tiger habitat in the process, where Jake acquires his Siberian Tiger morph. The two manage to escape, evade the guards and make their way to the exit, where they learn their friends were able to easily evade the guards and continue acquiring morphs, including (as later proven) Rachel's African Elephant.
- The Message - The Animorphs head over to The Gardens on a bus in order to acquire dolphins, so they have a good water morph. They learn the dolphins' names, which are the main characters from the Friends tv show. Later, after they find and rescue Ax, Cassie goes by herself back to the dolphin tank at The Gardens, and morphs dolphin there.
- The Stranger - Rachel is thinking about having to go back to the Yeerk Pool soon, and wants more firepower. She flies to The Gardens alone at night and acquires a grizzly bear.
- The Reaction - The Animorphs are going on a class field trip to the zoo at The Gardens. While there, they see a boy fall into the crocodile pit, so Rachel goes in after him to save him, acquiring her Crocodile morph (which is later lost).
- The Unknown - Employees at Zone 91 have a special day to themselves at The Gardens.
- The Escape - Erek King gives Jake and Marco information about a new Yeerk project on Royan Island. To go there, the Animorphs will need water morphs. Tobias doesn't have a dolphin morph, so they fly to The Gardens so he can get one. Tobias lands on a dolphin to acquire it during a show, and the crowd is surprised to see this display. After a harrowing experience, Tobias acquires the dolphin and the Animorphs go on to complete their mission.
- The Warning - Tobias and Jake fly to The Gardens so Jake can Acquire a rhinoceros in order to break into Joe Bob Fenestre's home.
- The Discovery - Cassie takes David to The Gardens to acquire a battle morph, identified in The Threat as a male lion.
- The Solution - The team fly to The Gardens so Tobias, Ax, Cassie, and Marco can acquire new morphs (African Elephant for Tobias, Ax and Cassie, rhinoceros for Marco) for their final mission to the Marriott resort.
- The Suspicion - Ax in northern harrier morph carries the helmacron ship into The Gardens, so the Animorphs can acquire an anteater morph, which can work against the Helmacrons.
- The Reunion - Marco needs a good morph for climbing in the mountains, so he goes to The Gardens to acquire a goat.
- The Arrival -
- The Hidden -
- The Unexpected -
- The Diversion - Cassie tells the Animorphs about how someone broke into Cassie's mom's veterinary ward overnight to steal blood samples.
- The Ultimate - The Animorphs take the Auxiliary Animorphs to The Gardens to acquire battle morphs.
- The Absolute - Marco, Tobias, and Ax acquire duck morphs at The Gardens.
- The Answer - The Gardens had survived the destruction of the Animorphs' town since it was outside the radius of annihilation, but it was closed to the public and unkempt and undercleaned, with dedicated people working to keep the animals from starving. Jake acquires an Anaconda.