Jimmy finally admits to the crew that he's not a strong swimmer. Determined to help him, Martin and Chris take Jimmy to get swimming lessons from a Sea Otter named Couch.

The Wild Kratts travel around the world to find and protect the oldest living animals in the world from Zach Varmitech who wants to use their secrets of long life to live forever.

Wild Kratts learn about the secret creature powers of Penguins in Antarctica, as well as why most penguins only live there. They however get word from Wild Kratt Kid Nua that there are penguins in the Arctic.

Worried that they have lost there "creature senses", Chris and Martin head to India to find the master of stealth, the Tiger. But little do they know they are being followed by Donita.

Believing their is a dog called a Dhole that is tough enough to stand up to a Tiger, Martin and Chris search for this elusive creature. Meanwhile Aviva finishes her latest invention.

The Wild Kratts search for Martin's Creature Pod only to discover that a Spectacled Cobra is sitting on it.

Martin and Chris are in Germany's Black Forest when they find a Salamander crawling out of there campfire. They try to figure out how these Fire Salamanders are able to do this. Donita Donata, however, over hears this and decides to make a fire proof body suit out of the Salamanders skins.

Aviva loses her Micro XT Power chips in the forest of Germany. Knowing they are a important peace of technology the Wild Kratts turn to the help of the Creature Powers of the Hamster.

After a storm, the Wild Kratts must return a lost horse foal to its mother.

The Wild Kratts go to India to find the difference between African and Asian Elephants. But find out how complex these creatures really are. Meanwhile Paisley Paver plans on using the elephants as beasts of burden.

The Wild Kratts recieve a call from Wild Kratts kid Mala about an endangered creature called a Sloth Bear. They do more research on the animal while also trying to save it from Donita's fashion line.

While Aviva and Koki help Wild Kratts kids Nolan and Sani build a Catapult, Martin and Chris try to explore the creature powers of the Grasshopper. Meanwhile, Donita Donata and Paisley Paver meet at Zach Varmitech's headquarters

While traveling on a dirt road, the Wild Kratts discover a Blue Heron and take the time to observe its physical features and hunting strategies. Zach Varmitech takes this opportunity to make an attack on the Tortuga.

Aviva challenges the Kratt Brothers to a fencing competition. But they will only accept the challenge if she makes a creature power suit for one of the three kinds of billfish- Swordfish, Marlin, and Sailfish. Meanwhile, Zach starts collecting fish from the ocean.

While doing her usual 'villain checkup', Koki notices Chef Gourmand traveling to the island of Komodo. Believing she has heard the name before she asks the Kratt brother about the island. Martin and Chris then realize that there's only one animal on that island that would satisfy Gourmands taste, the Komodo Dragon.

Martin and Chris help out when a bald eagle goes missing. Villain of the Week: Chef Gourmand Animal names: Stars, Stripes, Downy, Little Sis

While Martin and Chris explore the powers of the chickadee, Martin encounters an Ermine and follows it to the Ermine's prey.

While investigating exoskeletons, the Hercules beetle accidentally gets enlarged.

When Aviva's new Time Thruster invention gets attached to a migrating salmon, the Wild Kratts must follow the salmon run through the Alaskan wilderness to recover the Time Thruster.

The villains are stealing animals for a haunted house and the Wild Kratts and Wild Kratts kids must stop them and save their animal friends.

While in his Squirrel Creature Power Suit, Chris gets carried off by a red fox. The gang and Gourmand attempt to track them down and Mother fox must outfox everyone in order to get home to feed her super hungry (and super cute) fox kits.

In the Great North Martin and Chris decide to try to find the Little Howlers wolf pack. Unexpectedly, a raven joins them on their adventure and the brothers soon learn about the incredible intelligence and ingenuity of the raven.

When the Wild Kratts get marooned and lost a world away from the Tortuga, they must embark on a long journey home. The gang finds inspiration in several owls that they encounter along the way.

Chris and Martin, off to explore mountain bio-zones of Goat Mountain, bump into Paisley Paver. Paisley reveals her hideous plans for a development dubbed "Asphalt Ascent." The brothers are horrified. Thinking fast, Chris challenges her to a race to the top of Goat Mountain. Whoever gets to the peak first decides the future of the mountain ecosystem.

After disagreeing over which one is better, Martin and Chris discover the importance of blue oceans and green forests working together. And Martin and Chris need to get it together to stop Zach Varmitech's and Paisley Paver's new scheme(s).