When the Thornberrys are forced to spend the night in the middle of the savanna, Eliza seizes the opportunity to go hunting with a pride of lions--only to discover that Debbie is about to become a midnight snack!

Annoyed with Eliza, Darwin sets off into the jungle to prove he still has his natural instincts. After a scary night in the jungle, he stumbles upon an empty shack and hides out. When the family who lives in the shack returns to find Darwin in their home, they couldn't be more pleased with their new guest. It's up to Eliza to save the oblivious Darwin from becoming the next family dinner!

A swarm of mysterious prankster marmosets overrun the Thornberrry camp, and it's up to Eliza to beat them at their own game.

Eliza and Debbie must take over Marianne's duties when she is sick. Debbie goes with Nigel to shoot footage of a condor and Eliza must care for Donnie. Covered with feathers from a pillow, Donnie is snatched up by the condor and Eliza and Darwin must rescue him and help the condor find her real baby. In return for the favor, the condors stay on a tree branch so Debbie can get footage of them.

Eliza will stop at nothing to get a look at the gigantic, fierce Komodo dragon that lives on the Southeast Asian islands. Her plans are halted by the unexpected arrival of her home-schooling teacher who forces her to ""hit the books."" Eliza plays a dangerous game of hooky that could cost her her ""Comvee way of life.""

Darwin brings Eliza to his chimpanzee compound, and Eliza, who isn't used to the structure of the chimpanzee way of life, puts Darwin in an uncomfortable situation. After a fire starts, Eliza realizes the hierarchy is necessary for jungle survival. In the end, she apologizes for her lack of understanding and the chimp leader lets Darwin off the hook.

When the Thornberrys leave Australia for India, Eliza can't bear to leave her wombat friend, Emily. Even though she is told not to, she brings her along. Now Eliza is constantly forced to re-create Emily's habitat in order to ensure her survival.

When a friendly polar bear is wrongly accused of vicious behavior, Eliza goes to great lengths to keep him from being harmed and learns the value of sticking by a friend in times of trouble.

When Eliza is told that ""Jake"" the turtle is the last one of his kind, she can't just let his species become another name on the extinction list. Enlisting help from other animals, she soon discovers ""Samantha"" and brings the two turtles together--blind date style. Eliza soon realizes that playing the role of cupid is not as easy as it seems.