The show's fourth season, announced on October 8, 2014, originally ran from July 29, 2015 to April 14, 2017, beginning with the episode "Liturgusa Krattorum" and concluding with the episodes "Creatures of the Deep Sea Part 1" and "Creatures of the Deep Sea Part 2." It consists of 26 episodes.


Wild Kratts centers on the Kratt brothers, Chris Kratt (himself) and Martin Kratt (himself). Accompanying them are fellow teammates Aviva Corcovado (Athena Karkanis), an inventor; Koki (Heather Bambrick), a computer expert; and Jimmy Z (Jonathan Malen), a gamer who functions as a teleporter and the pilot of the Tortuga HQ, a turtle-shaped aircraft that serves as the team's mobile headquarters. Together, they are known as the Wild Kratts.

While traveling around the world to learn about the various animals that inhabit it, the Wild Kratts perform "creature rescues," in which they save the animals from various dilemmas, whether it be getting caught with one of the show's recurring villains, who include inventor Zach Varmitech, fashion designer Donita Donata and her henchman, Dabio, and Chef Gourmand; rebuilding habitats; or if they are young, reuniting them with their families. The Wild Kratts also occasionally enlist children called "Wild Kratts kids," who help the Wild Kratts from their home however they can.

The Wild Kratts often use futuristic and science fiction-like equipment on their adventures. The most prominent are the Creature Power Suits, vests created by Aviva which, along with a disc (called a Creature Power Disc) containing a creature's DNA and an actual DNA sample from the same creature, allow a user to materialize a suit that has a certain creature's abilities, and sometimes its behavior.


Number in
Number in
Title Written by Directed by Original air date Home video
release date
93 1 Liturgusa Krattorum Martin Kratt Martin Kratt January 16, 2017 TBA
The Kratt brothers find out that a scientist has discovered a new species of mantis in Peru and named it Liturgusa krattorum, after them. They decide to creature adventure with this unique insect. Meanwhile, villains Zach Varmitech, Donita Donata, and Chef Gourmand are upset that the mantis was named after the Kratt brothers instead of after them, so they decide to capture all of the Liturgusa krattorum. The Wild Kratts must rescue the mantises and get them back to "living free and in the wild".
94 2 Panda Power Up! Chris Kratt Chris Kratt July 19, 2016 TBA
The Wild Kratts travel to China to conduct a population survey of one of Aviva's favorite animals: the giant panda. However, Zach Varmitech has plans to capture the pandas and make them into robotic toys. When Zach discovers that the Wild Kratts have arrived in China, he has his Zachbots drain the power from the team's technology, leaving the Wild Kratts stranded in the bamboo forest. To make matters worse, Zach captures Martin, who is testing the new Giant Panda Creature Power Suit, along with the real pandas. The Wild Kratts will need to use the bamboo-digesting secrets of the giant panda to convert bamboo into energy, "panda power up" their technology, and rescue Martin and the pandas from Zach.
95 3 "Snowy Owl Invasion" Martin Kratt Martin Kratt
Chris Roy
January 17, 2017 TBA
The Wild Kratts hear about snowy owls being sighted in areas far south of their usual Arctic habitat. The team decides to investigate, but trouble starts when Donita Donata decides to make hats out of the snowy owls.
96 4 Pangolin Rescue Chris Kratt Chris Kratt July 20, 2016 TBA
While on the African savanna, the Wild Kratts discover a ground pangolin. This animal, like other pangolin species, has one of the most incredible defenses in the creature world: overlapping keratin scales that make pangolins resemble artichokes on legs. However, the Wild Kratts soon get an alert from Chinese Wild Kratts Kids Yi and Duyi that someone has set traps to catch Chinese pangolins. The team travels to China to help protect these critically endangered creatures. The Wild Kratts soon find out who has set the pangolin traps: Chef Gourmand, who is trapping both ground and Chinese pangolins and plans to make "medicinal" smoothies out of their scales. The Kratt brothers must use Pangolin Powers to free all of the pangolins that Gourmand has captured.
97 5 "A Creature Christmas (Part 1)" Martin Kratt Martin Kratt
Chris Roy
November 25, 2015 TBA
It's Christmastime, and the Wild Kratts are taking a break from creature adventuring to throw a Christmas party. However, before they can open their presents, the Wild Kratts receive alerts from Wild Kratts Kids that Zach Varmitech, Donita Donata, and Chef Gourmand are capturing baby animals from around the world. The Wild Kratts cut their holiday celebration short and set off to rescue their creature friends from the villains, but the team's first rescue attempt fails miserably. Can the Wild Kratts still manage to save their animal friends, or will Zach, Donita, and Gourmand succeed in whatever plan they've concocted?
98 6 "A Creature Christmas (Part 2)" Martin Kratt Martin Kratt
Chris Roy
November 25, 2015 TBA
After their failed first rescue attempt, the Wild Kratts are again trying to pull off a creature rescue and save their baby animal friends from Zach Varmitech, Donita Donata, and Chef Gourmand. The team finds out that the three villains have gathered in North America. The Wild Kratts travel to where the villains have met up and finally discover their enemies' horrible scheme: the animals captured by the villains have been turned into Christmas ornaments by Donita, and the creatures are now hanging on Zach's robotic Christmas tree. The Wild Kratts manage to free the animals, but the villains use traps disguised as Christmas presents to capture the team. Zach, Donita, and Gourmand then take all of the Wild Kratts' technology and leave the team marooned in the middle of the Arctic Ocean. Will the Kratt brothers somehow be able to get their Creature Power Suits back, use them to defeat the villains, and keep Christmas from being ruined for both the Wild Kratts and their animal friends?
99 7 "Puffin Rescue" Martin Kratt Martin Kratt January 18, 2017 TBA
A rogue wave hits the Tortuga, separating the members of the Wild Kratts team from each other. When Martin is stranded on a remote island, he finds several puffins, giving him the idea to use Puffin Power to find and rescue the other Wild Kratts.
100 8 Stars of the Tides Chris Kratt Chris Kratt
Chris Roy
July 29, 2015 TBA
When the Kratt brothers argue over which of them gets to keep a beautiful seashell, Aviva organizes a contest to settle the matter. Chris and Martin will need to survive and race to the finish line in one of the harshest habitats on Earth: the intertidal zone. To do so, they must use the Creature Powers of animals that live in this constantly changing environment.
101 9 The Last Largest Lobster Martin Kratt Martin Kratt July 29, 2015 TBA
A seagull drops one of Martin's Creature Power Discs into the ocean, and when the Kratt brothers dive in after the disc, they encounter an enormous lobster. Aviva programs Lobster Powers for Chris and Martin, but when the Kratt brothers try them out, only Chris's Creature Power Suit activates as an adult lobster. Martin's Power Suit malfunctions, turning Martin into a microscopic lobster larva. The Wild Kratts Kids begin a search for Martin, but Chris must protect "the last largest lobster" from Chef Gourmand.
102 10 "Golden Snub Nosed Monkey Man" Chris Kratt Chris Kratt
Chris Roy
July 21, 2016 TBA
The Wild Kratts travel to China looking for snub-nosed monkeys: primates capable of surviving in snowy mountains. However, the team soon must search for Martin, who not only gets lost in the mountains along with a baby snub-nosed monkey, but is transformed into a Yeti-like creature when his Snub-Nosed Monkey Creature Power Suit malfunctions. The other Wild Kratts aren't the only ones looking for Martin, either-Zach Varmitech plans to capture the Yeti and show it to people in exchange for money. Unfortunately for Martin, he is the closest thing to a Yeti in the mountains.
103 11 The Other Martins Martin Kratt Martin Kratt
Chris Roy
April 26, 2016 TBA
When a bird called a purple martin keeps dive-bombing Chris, Chris complains to Aviva, Koki, and Jimmy Z about it. At first, the team is confused, thinking Chris is talking about his brother, Martin. When they discover Chris is talking about a bird, the Wild Kratts decide to creature adventure with both the purple martin and a member of the weasel family called the pine marten. Martin is delighted to hang out with animals that share his name, but Chris is unhappy due to a series of unfortunate events that happen to him, one of which is a squirrel stealing his Creature Power vest. Martin must save the day by using Pine Marten Power to get Chris's Creature Power vest back from the squirrel.
104 12 Eel-lectric! Chris Kratt Chris Kratt
Chris Roy
January 19, 2017 TBA
When the Tortuga crashes in the Amazon rainforest, the ship loses power when its electrical systems are damaged. However, Chris and Martin are happy to be in one of the most biologically rich habitats on Earth, and they set out into the rainforest to creature adventure. The Kratt brothers soon find a creature that may be able to solve the Tortuga's electricity problem: the electric eel.
105 13 The Mystery of the Two Horned Narwhal Martin Kratt Martin Kratt
Chris Roy
January 20, 2017 TBA
Chris and Martin are arguing with each other about which is better, horns or antlers, when they get a call from Wild Kratts Kid Nua about a whale with a unique horn-like tusk: the narwhal. The Wild Kratts travel to the Arctic to investigate the structure and purpose of the narwhal's tusk. But when the Kratt brothers find an Inuit carving depicting a narwhal with two tusks, the Wild Kratts decide to find out whether the two-tusked narwhal is real or just a myth.
106 14 "Sea Otter Swim Chris Kratt Chris Kratt
Chris Roy
April 27,


Jimmy reveals to the other Wild Kratts that he's not a very good swimmer. To help Jimmy learn to swim better, the Kratt brothers take Jimmy to meet a friend of theirs-a sea otter named Coach. While Jimmy practices swimming and diving, the Wild Kratts learn about the features that make sea otters such good swimmers.
107 15 Red Panda Rescue Martin Kratt Martin Kratt
Chris Roy
July 22, 2016 TBA
Chris finds a lost red panda cub in the bamboo forest of China. The Wild Kratts wonder what taxonomic family this cute creature belongs to-Koki thinks the red panda is a bear, Jimmy Z thinks it's a canine and a type of fox, Aviva thinks it's a member of the weasel family, and Chris thinks it's related to raccoons. However, Martin reveals that the red panda is actually in a family of its own-Ailuridae. The Wild Kratts team plans to return the red panda cub to her mother, but Zach Varmitech arrives, traps Aviva, Koki, and Jimmy in an energy net, and steals the red panda cub, planning to give her to Donita Donata as a present for the fashion designer's birthday. Chris and Martin must use their Creature Powers of two Chinese animals-the snub-nosed monkey and the giant panda-to rescue the red panda cub from Zach and get her back to her mother.
108 16 Spirit Bear Chris Kratt Chris Kratt
Chris Roy
April 29,


Chris, Martin, and Aviva kayak to an island to look for black bears. When they get there, Aviva catches a glimpse of a white bear; however, the Kratt brothers don't believe Aviva and tell her that there are no polar bears on the island. But when the white bear reappears, Chris and Martin realize that the bear is no polar bear-it's a spirit bear, a variety of black bear that sometimes has white fur. Meanwhile, a new villain, Paisley Paver, arrives on the island, planning to pave it and build a mega storage facility. To stop this new enemy from destroying the bears' home, the Kratt brothers will need to use the incredible Creature Powers of the black bear.
109 17 The Colors of China Martin Kratt Martin Kratt
Chris Roy
July 25, 2016 TBA
While Chris and Martin are looking for cool creatures in the bamboo forest of China, they encounter golden pheasants. The vivid colors of the male pheasant cause the Kratt brothers to wonder why golden pheasants-and all the other amazing animals of China-are colored the way they are. But when Donita Donata captures several different species of Chinese animals and fades their colors, planning to use the now-gray animals as statues in a fashion show, the Wild Kratts must rescue the creatures and restore the animals' unique colors and patterns. Along the way, the team discovers the important roles that color plays in the lives of animals everywhere.
110 18 Box Turtled In! Chris Kratt Chris Kratt
Chris Roy
April 25, 2016 TBA
When Jimmy Z accidentally lands the Tortuga on the Miniaturizer, the ship and the Wild Kratts crew are Miniaturized. A coyote then carries the box turtle-sized Tortuga away from the Miniaturizer, and the Wild Kratts must return to the Miniaturizer and get back to normal-size. However, predators and cars pose a threat to the Tortuga, just like they do to real turtles.
111 19 Animals Who Live To Be 100 Years Old Martin Kratt Martin Kratt
Chris Roy
April 28,


Martin introduces the rest of the Wild Kratts team to his pet fruit fly, Juice. However, since fruit flies only live for a few weeks, Juice soon dies, saddening the Wild Kratts. The gang begins to wonder about animal lifespans and if any animals can live for 100 years or more, so they decide to travel the world in search of the longest-lived creatures. But someone else is also looking for the world's oldest animals-Zach Varmitech, who wants to discover the secrets to long life so that he can live forever. The Wild Kratts must protect the oldest creatures on Earth from Zach's scheme.
112 20 Archerfish School Chris Kratt Chris Kratt
Chris Roy
April 10, 2017 TBA
One day, while the Wild Kratts are in an Asian mangrove swamp, Chris is practicing archery. However, since his aim isn't very good, he and Martin decide to check out the greatest archer in the creature world: the archerfish. The Kratt brothers learn about the archerfish's creature powers that allow it to hit small prey with jets of water. Aviva programs Archerfish Powers for Chris and Martin, and just in time too-Donita Donata is capturing animals for her new line of fashion, and the Kratt brothers will need to use the Creature Powers of the archerfish to stop the evil fashion designer.
113 21 This Orca Likes Sharks" Martin Kratt Martin Kratt
Chris Roy
April 11, 2017 TBA
After a run-in with a dangerous bull shark in a South American river, the Kratt brothers find a bottle with an old map inside. The map shows the travels of a legendary orca that supposedly specializes in eating large sharks. To find out if the story of the shark-eating orca is true or not, Chris and Martin join a pod of orcas and use the newly upgraded Dolphin Decoder to communicate with them. The Wild Kratts soon discover that orcas are powerful, intelligent predators that can prey on almost any other animal in the sea. But when a great white shark threatens an orca calf, the shark is eaten by none other than Old Sharktooth, the legendary shark-hunting orca!
114 22 Baby Tooth and Kid Musky" Chris Kratt Chris Kratt
Chris Roy
April 12, 2017 TBA
The Wild Kratts travel to the Arctic tundra, where two very different but interconnected creatures live: the thick-haired, sharp-horned muskox and its main predator, the pack-hunting Arctic wolf. Chris wants Aviva to make an Arctic Wolf Creature Power Suit, but Martin wants a Muskox Power Suit. Both Kratt brothers set out across the tundra to find their preferred animal, each trying to convince Aviva to program their chosen Creature Power Suit. However, when a pack of Arctic wolves threatens a muskox calf, Chris and Martin try to choose sides in the conflict, but realize that there really are no bad guys in a predator-prey relationship-the prey are trying to defend themselves, but the predators must kill or die of starvation.
115 23 Cheetah Adopted" Martin Kratt Martin Kratt
Chris Roy
April 13, 2017 TBA
The Wild Kratts need to resupply the Tortuga, but Chris and Martin want to creature adventure on the African savanna. Before traveling to a nearby town to buy supplies, the rest of the team drops the Kratt brothers-who promise not to call for help or ask Aviva for new Creature Powers-off on the savanna. But when Chris and Martin find Spot Swat the cheetah cub living with a family of warthogs, they must use their Creature Powers of African animals to get Spot Swat back to his mother, Blur, without having to contact Aviva, Koki, and Jimmy Z.
116 24 Musk Ox Mania Chris Kratt Chris Kratt
Chris Roy
April 14, 2017 TBA
While the Kratt brothers are being charged by an angry rhino on the African savanna, they decide to use a harpy eagle feather from Chris's creature souvenir collection to activate Harpy Eagle Powers and fly out of harm's way. However, Chris forgot his souvenir collection on the Arctic tundra during the events of "Baby Tooth and Kid Musky". To find the valuable collection, the Wild Kratts travel to the Arctic and search for the collection using the Creature Powers of the muskox. However, the team will have to hurry, because Zach Varmitech is also after the creature souvenirs.
117 25 Creatures of the Deep Sea Part 1 Chris Kratt Chris Kratt
Chris Roy
November 23, 2016 TBA
The entire Wild Kratts team uses their new submarine to explore the deep sea in search of undiscovered species. However, Chef Gourmand, planning to invent new seafood dishes, is using a Varmitech Industries submarine to capture deep-sea animals.
118 26 Creatures of the Deep Sea Part 2 Chris Kratt Chris Kratt
Chris Roy
November 23, 2016 TBA
The Wild Kratts continue their exploration of the deep sea. Now, they have a new mission: to rescue the deep-sea fauna from Chef Gourmand's plot to make seafood out of them. A battle with Gourmand ensues, but soon everyone must quickly escape from the area when the villainous chef causes a chain of underwater volcanoes to erupt.


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