As animals flee their homes and run for their lives, Eliza discovers that Kip and Biederman are destroying part of the rainforest. In an all-out war against the evil duo, Eliza must convince the animals that with everybody's help, they can stop the destruction and save the forest.

Eliza busts a young elephant out of a Kenyan game preserve, only to face predators and poachers who are out to get them.

Eliza's good-natured intentions of assisting a struggling bird in getting food set off a chain reaction of destruction within the ecological system. It's up to her to retrace her steps and undo all of her actions while some animals face near extinction.

When Eliza discovers that a local performer claims he can talk to animals she believes she's found a soul mate. Eliza must enlist the help of some very ""urban"" animals to sneak into the sideshow and meet ""The Great Bangaboo.""

Eliza finds a hero in a giraffe who can see distances with his height and warn others of approaching danger. However, to Eliza's dismay, the giraffe leaves the animals for his own needs. Only when Eliza herself is in danger does the giraffe return and realize his selfishness.

The Thornberrys meet the Fensterkopfs who make false documentaries. The Fensterkopfs' kid lies to Eliza and gets them all stuck on a cliff. After the families barely escape an avalanche, the value of truth is learned by all.

When the Thornberrys are in Finland for the annual reindeer races, Eliza feels left out. She single-handedly uncovers a plot to sabotage the races, and along with an equally excluded reindeer who didn't make the final cut, helps save the day by playing fair.

When the Thornberrys visit the !Kung people, everyone is shocked to discover that Debbie can click-talk. No one is more surprised than Eliza, however, who is only ""cured"" of her jealousy by a !Kung healing ceremony.

When a seemingly abandoned panda bear imprints on Debbie, Eliza doubts Debbie's ""parenting"" ability--until a monsoon convinces Eliza that Debbie can handle more than she lets on.

Eliza tells Darwin the tale of how she became able to speak to animals, and how she retained her ability to speak to humans as well.

When Eliza meets a group of temple monkeys, they con her into bringing all of her family's food. While Darwin tries to convince her otherwise, Eliza realizes that she's been duped and learns the value of Darwin's friendship.

Eliza is afraid to admit to her friend Ben that she doesn't know how to snowboard, just as a rutting ibex is afraid to stand up to another ibex.

In the hope of winning the annual horse race, Eliza trades in her bungling trotter for a swift Thoroughbred.

Location: Zanzibar, TanzaniaDebbie and Tyler mistakenly trade the commvee for a dress at an island marketplace; Marianne and Nigel explore the Ngorongoro Crater.

Mt. Fuji, JapanGrandpa Frank marks the occasion of his 50th wedding anniversary by throwing caution to the wind and joining Eliza on a rigorous mountain climb.