The WORST episodes of The Wild Thornberrys

Every episode of The Wild Thornberrys ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of The Wild Thornberrys!

Eliza Thornberry is not your ordinary kid. It's not just because she travels the world in an RV with her parents, Nigel and Marrianne: famous nature show hosts. Eliza also happened to be granted the magical ability to talk with and understand animals. She's now able to talk with animals and help save them from various threats along with her friend Darwin, a chimpanzee who travels with Eliza and her family.

Last Updated: 8/5/2025Network: NickelodeonStatus: Ended
star
6.09
34 votes

#1 - Sir Nigel (1)

Season 5 - Episode 5 - Aired 3/30/2003

The Thornberrys pay a visit to Nigel's parents in Scotland at Thornberry Hall right before Nigel is to be made a knight by the Queen of England. Once there, Nigel's mother, Cordelia, presses him to accept a tenured professorship at Oxford. The prospect of the family settling down upsets Eliza but thrills Debbie. Meanwhile, Eliza rushes to save some golden eagles from eating poisoned meat from a trapper.

Directors: Max Martinez
Watch Now:Apple TV
star
6.17
35 votes

#2 - The Trouble With Darwin

Season 4 - Episode 5 - Aired 10/31/2001

The Thornberrys are in Africa for the opening of a new chimpanzee sanctuary which will also be attended by Jane Goodall, famous for her work with primates. When Eliza meets her and introduces her to Darwin, Dr. Goodall tells her that she disapproves of domesticated chimps. Will Eliza be able to convince her that Darwin WANTS to stay with the Thornberrys? Meanwhile, when poachers trap Eliza and Darwin, will Dr. Goodall, Nigel and Marianne be able to rescue them?

Watch Now:Apple TV
star
6.22
36 votes

#3 - The Origin of Donnie (2)

Season 4 - Episode 2 - Aired 8/18/2001

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

Watch Now:Apple TV
star
6.50
4 votes

#4 - April Fool's Day

Season 3 - Episode 18 - Aired 4/1/2001

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? Meanwhile, Nigel coaches Debbie for her Physical Education courses.

star
6.67
3 votes

#5 - Critical Masai

Season 3 - Episode 5 - Aired 10/3/2000

Eliza and Tyler work together to help an aspiring Masai warrior earn the respect of his elders.

Writer: Peter Egan
Watch Now:Apple TV
star
6.67
3 votes

#6 - Every Little Bit Alps

Season 2 - Episode 36 - Aired 3/27/2000

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.

star
6.67
3 votes

#7 - Cheetahs Never Prosper

Season 2 - Episode 34 - Aired 3/20/2000

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.

star
6.67
3 votes

#8 - Monkey See, Monkey Don't

Season 2 - Episode 31 - Aired 3/6/2000

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.

The !Kung & I
star
6.67
3 votes

#9 - The !Kung & I

Season 2 - Episode 23 - Aired 2/16/2000

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.

star
6.71
7 votes

#10 - The Wild Snob-Berry

Season 5 - Episode 1 - Aired 2/3/2003

At 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.

Directors: Dean Criswell
Writer: Peter Egan
Watch Now:Apple TV
star
6.75
4 votes

#11 - Happy Old Year

Season 3 - Episode 12 - Aired 12/27/2000

Before 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.

star
6.75
4 votes

#12 - Dances with Dingoes

Season 2 - Episode 18 - Aired 9/16/1999

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.

star
6.80
5 votes

#13 - The Origin of Donnie (3)

Season 4 - Episode 3 - Aired 8/18/2001

A huge fire strikes while Eliza and Darwin search for Donnie, Nigel and Marianne come across poachers, and Debbie and Grandma Sophie get taken in by a native tribe.

Watch Now:Apple TV
star
7.00
3 votes

#14 - Pack of Thornberrys

Season 2 - Episode 37 - Aired 3/27/2000

Eliza and Debbie are fighting so much, Debbie decides to apply to boarding school and Eliza encourages her. But meeting up with a lone wolf teaches Eliza that families, like packs, belong together.

Directors: Mark Risley
star
7.00
3 votes

#15 - Happy Campers

Season 3 - Episode 13 - Aired 12/30/2000

A trip to Bhutan, finds Marianne and Debbie out in the cold, and Eliza and Darwin on the run from the border police.

star
7.00
3 votes

#16 - Gobi Yourself

Season 2 - Episode 35 - Aired 3/20/2000

Eliza and a Chinese girl, Arioka, secretly switch places so Eliza can ride across the desert on camels and Arioka can ride in the Commvee. But Arioka's parents change their plans and Eliza must figure out a way to get them back to the Thornberrys.

star
7.00
3 votes

#17 - A Shaky Foundation

Season 2 - Episode 33 - Aired 3/13/2000

The Thornberrys are visited by the Foundation's head son, Tom, who splits up the Nigel and Marianne team. An over-zealous Tom treats Eliza like a child until he lands the Commvee in a raging river. Eliza's quick thinking prevails and she saves her family and wins Tom's respect.

star
7.00
3 votes

#18 - Where the Gauchos Roam

Season 2 - Episode 32 - Aired 3/13/2000

The Thornberrys are invited on a cattle drive by Marianne's old high school friend whose son, Miguel, is not as adept at riding and roping as he claimed. In the end, Eliza helps him build confidence.

star
7.00
3 votes

#19 - Bogged Down

Season 2 - Episode 30 - Aired 3/6/2000

Challenging an ancient Maasai legend, Eliza marches into a ""haunted"" forest to prove her bravery. Now, with night falling, Eliza must place her trust in the mysterious legends of the Maasai in order to find her way safely through the dark forest.

star
7.00
3 votes

#20 - Gift of Gab

Season 2 - Episode 29 - Aired 2/26/2000

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.

star
7.00
3 votes

#21 - Song for Eliza

Season 2 - Episode 28 - Aired 2/25/2000

When Eliza tries to swim with the humpback whales, Darwin accidentally knocks Debbie's boombox into the ocean, which creates a distrubing noise and causes the whales to stop their ritual singing. Eliza attempts to set things right, but ends up getting arrested for violating the Marine Mammel Protection Act.

star
7.00
3 votes

#22 - A Tiger by the Tail

Season 2 - Episode 26 - Aired 2/22/2000

Eliza reunites with a Siberian Tiger, and is stunned when the tiger turns on her. Eliza's visiting Grandma Sophie helps her overcome her fears just as she is overcoming her own.

Directors: Mark Risley
Black and White and Mom All Over
star
7.00
3 votes

#23 - Black and White and Mom All Over

Season 2 - Episode 25 - Aired 2/21/2000

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.

Dear Diary
star
7.00
3 votes

#24 - Dear Diary

Season 2 - Episode 24 - Aired 2/17/2000

When Eliza ""accidentally"" reads Debbie's diary she learns that Debbie thinks she's an embarrassment of a sister. Debbie and Eliza have it out and learn the real truth about their relationship.

Directors: Becky Bristow
Writer: Alice Miller
Luck Be an Aye-Aye
star
7.00
3 votes

#25 - Luck Be an Aye-Aye

Season 2 - Episode 22 - Aired 2/15/2000

When Donnie kidnaps an aye-aye for a pet, Eliza must return the ""bad luck"" omen to his home before the villagers hunt him down.