Stuck On Sharks
Martin and Chris are on a mission to uncover the secret life of the mysterious Great White Shark. They use Aviva's incredible Remora Rocketsub to "stick with" a female shark and soon learn that the giant predator of the sea actually has lots of challenges to contend with and that she could help them discover something that no one has ever seen before - the birth of Great White shark pups. But when Gourmand sniffs around looking for ingredients for his Shark Fin Soup recipe, the Wild Kratts team must help rescue their new friend.

Seasquatch
The Kratt brothers' sub loses power while they are exploring the strange landscape of the ocean depths and they are trapped on the ocean floor of the deep sea. Aviva must figure out how to harness the energy from the deep sea's hydrothermal vents in order to save the brothers and return them to the surface. The Wild Kratts team learns all about the amazing process of chemosynthesis and how deep sea creatures transform toxic chemicals into energy. With a little help from the Yeti crab Martin and Chris are able to capture the this energy and use it to restart the amphi-sub and return to the surface.

Whale of a Squid
Chris and Martin are taking Aviva's sub prototype out for a test drive when it gets sucked into a battle between a Sperm whale and Giant squid, spiraling down into the depths. The brothers want to follow, but their damaged sub can't take that kind of pressure. Aviva develops whale and squid Creature Power Suits, so the brothers can go where no sub has gone before. Science Concept: Pressure is force applied to an area.

Little Howler
Chris and Martin are unpacking from an adventure and are surprised when a Wolf pup pops out of their bags. They have no idea where the little guy came from and must retrace their steps in order to return him back to his pack. They experience that wolves are a very social animal with a close pack structure and frequent visual and audio communication among individual members. With this knowledge and wolf-powered Creature Power Suits the bros are able to fend off a hungry cougar and finally return the pup to his wolf pack.

Octopus Wildkratticus
When Martin accidentally knocks Aviva's creature power suits into a deep Arctic trench, the Martin and Chris dive down in search of them in Aviva's newly invented Octopod submarine. Science Concepts: An Octopus can use ink, jet propulsion, tentacle regeneration, and camouflage in order to escape or hide when in danger. Each feature has an important function for survival.

Raptor Roundup
Martin and Chris challenge themselves to ID as many hawks, eagles, owls, falcons and vultures as they can. But the evil endangered species chef, Gaston Gourmand has his own plan for the raptors and has been capturing them all in his quest to find the tastiest bird wing. Will the Wild Kratts team succeed in rescuing the raptors before they become Gourmand's next gourmet delicacy? They'll have to use everything they know about classification and birds of prey - to round up the raptors and return them to where they belong - living free and in the wild!

Bad Hair Day
Chris and Martin try to help a lion named "He who breathes fire" get past obstacles and back to his pride, who are under siege from two intruder lions

Race for the Hippo Disc
When Chris and Martin accidentally lose a Power Disc on the African savannah, the Wild Kratts goes into crisis mode to find the disc before it gets into the hands of Zach Varmitech.

Creature Power Challenge
After getting caught in the middle of a tussle between a grumpy rhino and an outraged elephant, Martin and Chris decide to have a contest to decide what's stronger - elephant or rhino powers.

Rainforest Stew
When Chris and Martin go in search of an obscure rainforest creature to add to their Life Lists, the Wild Kratts becomes embroiled in the complex relationships of a tropical rainforest.

Happy Turkey Day
The Wild Kratts are on a mission to defend the honor of the wild turkey and to stop Gourmand, who is hunting for the largest, fattest turkey in the forest.

Neck and Neck
As Chris and Martin search for the answer to why giraffes have long necks, a mischievous giraffe begins secretly taking Creature Power Suit parts and supplies from the Tortuga.

Blowfish Blowout
When the miniaturized Kratt Brothers get swept up and lost in a current of plankton, they become part of a crowd of fish larva all headed to the most populated and diverse habitat on Earth - the coral reef.

Aardvark Town
When a young aardvark accidentally becomes a stowaway in Chris's backpack, the Wild Kratts team sets off on a "door to door" search to return him to his home burrow. Along the way, they discover the incredible (and valuable) service the aardvark provides to all the burrow-living creatures of Africa. Science Concept: Aardvarks manipulate earth materials and alter landscapes.

Termites Vs. Tongues
When Aviva and Koki accidentally miniaturize themselves and get carried away by termites, Martin and Chris must split up to search for them.

Fireflies
It's time for the annual Wild Kratt Firefly picnic. Martin and Chris head off into the forest to find some fireflies to join in the fun, but fashion designer, Donita Donata, has been capturing all the fireflies to use in the making of a sparkly, one-of-a-kind dress. The Wild Kratts team has to save the firefly population! Science Concepts: Bioluminescence, Cold light.

Bugs Or Monkeys?
A miniaturized Martin wants to check out insects in the rainforest, but Chris wants to investigate the world of the Spider monkey. Chris wins when he puts "mini" Martin in his pack back and heads off through the treetops.

Secrets of the Spider's Web
When the creature adventuring Kratt Brothers take a nasty tumble, the Wild Kratts sets off on a mission to find and recreate one of the greatest of all biotech engineering secrets. Spider silk.

Attack of the Tree Eating Aliens
The Wild Kratts get an urgent call from a group of North American Wild Kratts kids telling them almost all of the trees in the forest are dying. It's a race against time to solve the mystery and help the forest and the creatures who live there.

Flight of the Draco
While on a mission to discover the secret of the Draco lizard's gliding abilities, Martin and Chris uncover an evil plot by fashion designer, Donita Donata. She has been capturing these amazing creatures with a plan to make them part of her new Fall collection. It's the Wild Kratts team to the rescue! Science Concept: Gliding, Gravity.

Mystery of the Weird Looking Walrus
Chris and Martin are on a mission to discover why walrus look so weird, but discover that Zach Varmitech has kidnapped a herd to mine precious pearls for Donita Donata's fashion line. The Wild Kratts team must use the walrus features against Zach to save the creatures and return them to their Arctic domain. Science Concepts: Suction.

Mystery of the Squirmy Wormy
Aviva miniaturizes Chris and Martin for an underground mission with earthworms, in search of the answer to the mystery "Why do worms come above ground when it rains?" But they have to hurry, as they soon discover that life as a worm is full of dangers at every turn. Science Concept: Wet objects can be changed by heating and cooling. If a worm is left in the hot sun, their skin will dry up and they will die. Worms need to stay wet and their environment helps keep them that way.

Shadow: The Black Jaguar
Martin and Chris are trying to decide on their next wild cat adventure when they learn that Zach Varmitech has decided to "catnap" a Black Jaguar to use as a symbol for his new spybots.

Tazzy Chris
When Martin and Chris assist the Tasmanian Wildlife Service in tagging endangered Tasmanian Devils, they discover that Zach Varmitech has been kidnapping them to create a ferocious new Zachbot. Science Concepts: A healthy ecosystem has both predators and scavengers. Scavengers are animals that eat mostly other dead animals.

Speaking Dolphinese
The Wild Kratts are on a mission to decode the secret language of one of the smartest creatures on Earth - Dolphins!

Platypus Cafe
While kayaking in Australia, Martin and Chris encounter one of the world's most unusual creatures, a platypus mother with her eggs. But unscrupulous endangered animal chef, Gourmand, plans on making the platypus eggs his next delicacy. The Wild Kratts team must use the special "sixth sense" of the platypus to save the eggs. Science Concept: Organisms use their senses to find out about their surroundings and themselves. Different senses give different information. Platypus have a special electromagnetic sense that detects objects, like food.

Walk on the Wetside
When Chris and Martin locate an amazing water-walking Basilisk lizard in Costa Rica, they try to replicate its actions in order to learn how this rare lizard is able to walk on water. They discover that by using its wide feet, churning its legs to create water pockets and keeping up a certain speed, the Basilisk is able to run on water in order to escape from predators. And when Donita Donata begins capturing basilisks, Martin and Chris us their new water walking powers to rescue these rare lizards.

Polar Bears Don't Dance
While in the Arctic, Martin and Chris are on a mission to discover how animals move around in different environments. Their new knowledge comes in handy when they discover that Zach Varmitech has kidnapped a Walrus calf and a Polar bear cub. The Wild Kratts team must do what it takes to return the baby animals to their mothers. Science Concepts: Buoyancy, Traction.

Snow Runners
On their way to return some Hispid hares to Asia, the Wild Kratts accidentally lose them in a wintery North American forest. Martin and Chris must use the amazing winter adaptations and strategies of the Snowshoe hare and lynx to locate the hares before it's too late.

Build It Beaver
The Wild Kratts team must lend a hand to help a beaver rebuild its damaged lodge and restore the ecosystem for all the creatures who live there. Science Concepts: Beavers make dams that block the flow of water down a stream. Through building dams, the beaver single-handedly transforms the landscape, creating homes for a variety of wildlife.