The Wild Thornberrys
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The following is a list of episodes in the fourth season of The Wild Thornberrys, listed in production order.

Episode list

Image # Title Original air date
Tyler Tucker, I Presume? title 61 "Tyler Tucker, I Presume" October 2, 2000 (2000-10-02)
The Thornberry's are in the Congo along the banks of the Congo River to film the African clawless otter where they are waiting for Tyler Tucker to join them. Tyler and Eliza are cousins and close in age and very competitive with each other. When the commvee is put out of commission they take a small steamer boat named Prudence up the river in search of the otter. Tyler is not aware of all the dangers that the wild can hold and soon has them heading straight for disaster.
Critical Masai Title 62 "Critical Masai" October 3, 2000 (2000-10-03)
While camping near a Masai village Eliza and her cousin Tyler compete to see who is the bravest. Their courage is truly put to the test when they are caught out on the Savannah during a lightning storm.
Island Trade Title 63 "Island Trade" October 5, 2000 (2000-10-05)
While on the island of Zanzibar Debbie pleads with her mom to go to Stone Town Market for some shopping. Marianne is reluctant to let her have the comvee but eventually gives in. Debbie, Eliza, Tyler and Darwin head to the market while Nigel, Marianne and Donnie go off to film in an ancient crater. Most of the shopping at the market is done by barter and they accidentally trade the comvee for a dress. The kids take off in pursuit of the merchant who is now driving their comvee to try and reach an understanding with him, but not before running the gauntlet of the local monkeys.
Queen of Denial Title 64 "Queen of Denial" October 4, 2000 (2000-10-04)
The Thornberrys are in Egypt to film the elusive caracal cat. While Marianne and Nigel go off via camel to film, Eliza, Tyler and Darwin go exploring. While wandering through the desert they fall into an ancient burial chamber. Eliza and Tyler will have to work together to avoid the booby traps that have been set to discourage grave robbers. Meanwhile Debbie is convinced she is a descendant of Cleopatra.
No Image 65 "April Fool's Day" April 1, 2001
It'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.
Title-BirthdayQuake 66 "Birthday Quake" October 6, 2000 (2000-10-06)
To celebrate his 13th birthday, Tyler and Eliza visit a pair of elephants in the African savanna. Tyler's parents are coming to pick him up and take him out of Africa when there is an earthquake on his birthday.
Title-DragonMeAlong 67 "Dragon Me Along" September 12, 2000 (2000-09-12)
Eliza recognizes some pandas and tries to save them from poachers.
Title-HorseSense 68 "Horse Sense" September 26, 2000 (2000-09-26)
The Thornberrys are in Mongolia for the Naadam Festival. The festival is held outdoors and features events such as horse racing, wrestling and archery. Eliza decides she wants to enter the horse racing contest and asks Marianne to help train her. Debbie becomes involved in the archery contest and Donnie enters the wrestling contest. Eliza picks a nice, reliable horse to ride but what she really wants is to ride one of the wild horses. But they are not reliable and she gets more than she bargained for when she mounts one.
Title-TheLegendOfHaLongBay 69 "The Legend of Ha Long Bay" October 10, 2000 (2000-10-10)
Eliza encounters a mysterious creature while shooting a film with Nigel about manta rays.
No Image 70 "Gem of a Mom" May 10, 2001 (2001-05-10)
The Thornberrys are in Pakistan when Eliza and Debbie realize they have forgotten it is Mothers Day. The girls search through the market place to find the perfect gift for their mother. They come upon a stand that is selling jewels that they cannot afford so after a rock slide closes the road they are traveling on, Debbie and Eliza plan to find their own gem stones in the mountains. While they search for the perfect Mothers day gift they continuously ignore Marianne's attempts to spend time with her daughters.
Title-All Work and No Play 71 "All Work and No Play" January 12, 2001
The Thornberrys are in Siberia along the banks of a river which feeds into Lake Baikal. Nigel and Marianne are there to film the Russian lynx while the girls are forced to stay at the campsite and take inventory of their provisions. This really annoys Debbie who wants to go to the town of Bolshoi Goti and pick up a CD of her favorite Russian Band The Slovniks. Debbie and Eliza both shirk their responsibilities...Debbie and Donnie take off via raft to Bolshoi Goti and Eliza and Darwin tour a nearby beaver dam. Everyone gets in trouble with an unexpected storm erupts.
Title-Happy Campers 72 "Happy Campers" December 30, 2000
A trip to Bhutan, finds Marianne and Debbie out in the cold, and Eliza and Darwin on the run from the border police.
Title-OperationValentine 73 "Operation Valentine" February 14, 2001
The Thornberrys are broken down, The Mail plane drops of the Thornberrys current batch of mail. Debbie tries to bake cookies, which turn out badly. They try to escape from an angry eagle by climbing up a small mountain. Eliza slips and nearly falls. Darwin pulls her up on top of the small mountain. Nigel was on an explore of his own and comes across Donnie. Nigel picks up Eliza in his arms and carries her back to camp. Marianne upon seeing Eliza's symptoms quickly looks them up in a medical book. They have to get Eliza to the hospital ASAP because it is her appendix and she needs an operation. They try taking the mini-com but it gets a flat and they are unable to put the spare on it because the spare is already being used.
Hot Air title 74 "Hot Air" June 1, 2002
The Thornberrys visit a Māori Iwi holding a Hui. As Debbie flirts with a young Maori, Eliza and Darwin have a fight. When Darwin leaves and Eliza befriends a possum named Penelope who gets her trapped in a hot air balloon, Darwin must come to the aid of Eliza.
No Image 75 "New Territory" January 12, 2001
The Thornberrys meet an Australian family named the Gibsons when the Comvee runs out of gas. Eliza makes friends with the youngest member of the family named Bethany, who is in a wheelchair from cerebral palsy. The girls go land sailing and Bethany helps Eliza escape from a crocodile, but then get in an argument when Bethany thinks Eliza is feeling sorry for her being disabled. Will the two new friends find a way to make up? Meanwhile, Nigel and Marianne play the Gibsons in a very competitive game of Tricky Trivia.
Hello, Dolphin! title 76 "Hello, Dolphin!" February 19, 2001
Nigel 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.
The Trouble with Darwin title 77 "The Trouble with Darwin" October 31, 2001
The Thornberrys are in Tanzania, Africa to film the grand opening of Dr. Jane Goodall's chimpanzee sanctuary. Eliza can't wait to meet her idol Dr. Goodall. When they arrive Debbie is put to work caring for baby chimps in the nursery while Eliza and Dr. Goodall have an awkward first meeting. She is not impressed with Darwin and the fact that he is domesticated. Eliza's feelings are hurt and she runs off into the jungle with Darwin following. Trouble ensues when they run into poachers who have been working nearby.
No Image 78 "The Anniversary" May 14, 2001 (2001-05-14)
The Thornberrys are in Japan near Mount Fuji to film the Asian black bear when Marianne's parents visit to spend their 50th anniversary with them. Grandpa Frank has had health problems recently and has problems acting his age. Eliza, Darwin and Grandpa Frank go off to climb Mount Fuji.
No Image 79 "A Family Tradition" November 22, 2000 (2000-11-22)
The Thornberrys are preparing for Thanksgiving in Madagascar when Grandma Sophie calls, inviting them home for the holiday. When Nigel and Marianne explain that they can't go home until they get footage of a fossa for The Foundation. Eliza and Debbie choose to go back to the United States with out their parents but before they board the plane they reconsider in order to spend the holiday as a family.
Title-LookWho'sSquawking 80 "Look Who's Squawking" April 4, 2003
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 she needs to make things right again.
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