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!

Shane is ready to leave the Thornberrys to go back to his life as a popstar and Eliza has to be fast to tell Shane her true feelings for him before its too late. But when Shane and Eliza have a little fight and Shane runs away,can Eliza find him in time to make up and tell her feelings?

A trip to the Great Wall of China finds Eliza in hot pursuit of a panda and his mother.

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.

Geographical Location: Bethel, Alaska

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

With the commvee broken down in the desert and no water left to survive, the Thornberrys go through desperate measures to maintain their sanity. However, on the verge of dehydration, Eliza convinces her family to perform the rain ritual pictured in a nearby monolith. Everyone cheers as the rains pour down among them.

Location: The Florida Everglades, United StatesDebbie and Eliza explore the Everglades but drop Nigel's birthday present, a new watch, into the swamp. As an old woman chases them away, they return at night, only to have the watch eaten by an alligator.

The Thornberrys get stranded on an uncharted island, basking at first in all the beauty and the splendor, but discover soon enough that being marooned isn't all it's cracked up to be.

After Eliza saves an arctic hare from a determined stoat, she learns that underdogs come in all shapes and sizes.

When Eliza sneaks out ahead of her parents in order to find a rare Sumatran rhino, she discovers that to expose his life would only lead extinction of the species. Now instead of taking the prized rhino to her parents, she must try to keep them from filming it. And the bad news is, Nigel's already on its trail!

Location: Mt. KilimanjaroTo celebrate his 13th birthday, Tyler and Eliza visit a pair of elephants in the African savanna.

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.

Location: Borneo, IndonesiaThe Thornberrys are preparing for Donnie's ""birthday"" party in Borneo when one crisis after another happens. Grandma Sophie decides to visit the same day Nigel and Marianne must capture a wild orangutan on film or the foundation will cut their funding.

Location: Borneo, IndonesiaDonnie searches the jungles of Borneo for his ancestry, causing Eliza to worry that he will break ties with the Thornberry clan.

Eliza convinces a mother kangaroo that she can handle the responsibilities of baby-sitting. She quickly learns that this mischievous joey is more than meets the eye. After a close encounter with Tasmanian devils, Eliza is all too happy to relieve her duties and go back to being a kid herself.

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!

Filming penguins in Antarctica, Eliza begins practicing for her future profession as a vet, when she comes across a wounded penguin. She rescues her, but may have made matters worse by separating the penguin from her mate and her egg. When she borrows a snow speeder to get back to the penguin breeding grounds, will she make it in time to put things right?

Geographical Location: Alaska

Eliza convinces a group of baboon-like apes to stand up to their legendary adversaries--""The Others."" Darwin, meanwhile, has met an almost identical group of apes with an identical problem. As Eliza and Darwin lead their separate groups into battle, they suddenly find themselves face-to-face--in an all out war! Now it's up to Eliza to quickly find a way avert the battle and teach the apes to get along.

Location: Rotura, New ZealandThe Thornberrys visit a tribe of native New Zealanders called the Mahris who are throwing a celebration called a ""Hooey"". As Debbie flirts with a young Mahri, Eliza and Darwin have a fight. When Darwin leaves and Eliza befriends a possum named Penelope who ends up getting her into a hot air balloon that she doesn't know how to steer, will Darwin come to the rescue?

Location: Shark Bay, AustraliaNigel and Marianne are on a dangerous assignment to film some tiger sharks while Eliza goes swimming with some dolphins. Meanwhile, Debbie gets dumped by her e-mail boyfriend Sven. When the kids take a boat out with the dolphins to swim in the deep sea, they may get some unexpected visitors.

Location: Alice Springs, AustraliaDebbie is finally going to meet her e-mail friend in person and she is determined to make a good impression. Meanwhile, Eliza is having strange pains in her stomach and ends up stranded on top of a small mountain as Donnie gets attacked by a giant eagle. Just a typical Valentine's Day for the Thornberrys in Australia.

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 the Thornberrys visit Nigel's friend Jomo, they search for an elephant named Rebecca that Nigel saved 20 years earlier. As the family attends to an elephant stuck in a mudhole, Eliza bonds with Rebecca, only to learn that she is old and ready to die.

Location: Ha Long Bay, VietnamEliza encounters a mysterious creature while shooting a film with Nigel about manta rays.

Eliza's cousin Tyler Tucker joins the Thornberrys for a four-week tour from Africa to the Amazon in search of exotic, endangered and mysterious animals.

Eliza frees a hyena from captivity, but having never lived in the wild, it doesn't know how to survive. Eliza attempts to teach it, but it seems hopeless--until a wild boar threatens them and the hyena's natural instincts take over.

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.

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 imagination gets the best of her when she thinks a local teenage girl is actually a dolphin who's trying to abduct her sister, Debbie, into a watery world.

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.

During a drought, Eliza is forbidden to assist the thirsty animals, but she breaks her promise when she sees a cheetah cub alone on the Savannah. Eliza and Darwin are saved by a timely thunderstorm when the cheetah mother tries to eat them.

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.

Location: Quito, EcuadorBefore New Year's Eve, Debbie accidentally hurts fer father's feelings, and joins a couple of eccentric, 30's-era volcano chasers, Mitzi and Merrick Dash. Eliza goes after her to reclaim her friend, Santusa the Llama, and they all encounter a mudslide when the volcano erupts.

Location: Okavango Swamp, BotswanaIt's April Fools day, and The Thornberrys are trying to outdo each other by way of April Fool's jokes. At first it's a lot of fun, but when Tyler and Eliza encounter some quicksand and a lion, will they learn not to cry wolf? Meanwhile, Nigel coaches Debbie for her Physical Education courses.

Eliza and Debbie's combined bungling sends the commvee careening down a mountain, where it lies mired in the mud. They come face to face with a menacing-looking, but quirky tribe of silverback gorillas, and they must work together to ""unstick"" the van.

With Nigel and Marianne off exploring bat caves, Eliza and Debbie are left at the ""eerie"" residence of colleague Dr. Renfield. Eliza becomes bent on spooking Debbie, but when her imagination gets the best of her the tables are slowly turned. By the time their parents return, the girls are convinced that the absent-minded Renfield is a vampire out to get them!

Geographical Location: AlaskaAt the request of the foundation, teenage rocker Shane G. joins the Thornberrys during their stay in Alaska. Since Eliza and Debbie both have a crush on Shane, they both go exploring with Shane only to discover who thick-headed he really is.

When Eliza discovers a secret temple, a group of jaguars believe that she is their long lost queen. Thrilled with her new royal position, Eliza gets in over her head and must escape the avenging jaguars.

When Eliza, Darwin and Donnie are flung from a Matadi-bound barge and stranded on the banks of the Congo river, they must traverse the cliffs and crags of mountainous Zaire in order to catch up with her family.

When Eliza and Debbie discover an old treasure map on the Galapagos Islands, they set out to claim their ""riches."" Once the gold is discovered, however, greed sets in and the girls begin an all-out battle of trickery to get the gold away from each other. They battle continues all the way down to the last coin, until they accidentally lose all the gold in a fiery lava pit.

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.""

When Eliza gets a hunch that foul play has led to Darwin's disappearance, she sets out to rescue her long lost companion. To her dismay, she finds Darwin has become one of the most popular acts at an Indian palace where a young prince lives. It's up to her to prove to Darwin that friendship runs deeper than the glamour and glitz of showbiz.

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 discover that koalas are missing from their native groves. Eliza decides to unravel the mystery only to discover Kip and Biederman masterminding the evil plot. It is now up to her to stop the culprits from wiping out an entire species!

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.

To study and protect the snow leopards from extinction and a construction site that is threatening their survival, Nigel's mentor (thought to be lost for many years) has left civilization to be a yeti. Eliza discovers his identity, helps him fend off the construction workers, and reunites him with her father.

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 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.

Eliza gets in over her head when she assumes responsibilities she can't handle. She is soon forced to don scuba gear and rescue a fumbling Nigel and a tumbling commvee under the dangerous waters of Australia.

Debbie discovers Eliza ""talking"" to dingoes and threatens to tell her parents. Eliza, concerned about the possibility of being shipped back to the United States as a science experiment, seeks help from nearby Aborigines. Together they confuse Debbie into thinking it was just a bad dream.

When the Commvee is surrounded by angry seals, Eliza tries her own methods to get them to move. But she learns from her Inuit friend Jim that traditional ways have their value.

When Kip and Biederman cause an oil spill, Eliza must save her sea otter friends.