The Wild Kratts hear from Wild Kratts Kid, Nua, that there are penguins in the Arctic, where the birds aren't supposed to be. The team must investigate this mystery and get the "lost" penguins back to where they belong.
After Aviva successfully sneaks up on and surprises the creature adventuring Kratt Brothers, they worry that they've somehow lost their signature 'creature sense'. Chris and Martin go off in search of the stealthiest, most powerful wildcat in the world - the tiger - on a quest to prove to themselves that they're still in tune with the creature world.
While visiting India, Martin and Chris go off on a creature adventure to explore the world of the Dhole - aka "The Red Dog". With the help of Wild Kratt Kid Mala, they manage to find this elusive and endangered creature and working together with the pack, the Kratt Bros are able to defeat one very hungry tiger! Science Concept: Social groups and hunting strategy.
While searching for Martin's lost Creaturepod, the Kratt brothers encounter a Spectacled cobra. In a wild adventure to recover their prized gadget, the bros learn about the dual creature powers of the cobras - venom and a hooded defense. But when they encounter a King cobra, their newfound cobra powers are put to the ultimate test. Science Concept: Venom in nature. How it works and why animals have it.
While exploring the Black Forest in Germany, Chris and Martin are amazed to discover a black and yellow salamander crawling out of the fire! They don't understand how this is possible, since salamanders need water - not fire - to live. It's a mystery that the Kratt Brothers are determined to solve and unravel the secret of the Fire Salamander. Science Concept: Salamander life cycle.
Aviva loses the MicroXT Power Chips for the Creature Power Suits, prompting the gang to search a huge field in Germany to try to find them.
When the Kratt brothers find a herd of wild horses on a beach, Aviva and Koki are eager to see them. However, the Wild Kratts are forced to retreat into the Tortuga when a storm hits. After the storm, the team finds a wild horse foal who was separated from the herd by a wave. Chris and Martin set off to reunite the foal with his mother.
The Wild Kratts travel to Asia to meet the Asian elephant and investigate the differences between it and African elephants. However, Paisley Paver plans to use elephants as beasts of burden in a construction project.
The Wild Kratts learn that despite their differences, African and Asian elephants have a lot in common, including feelings, emotions and intelligence.
While the Wild Kratts are in India, Wild Kratts Kid Mala tells them about an Indian animal in danger: the sloth bear. Since the team does not know much about this unusual bear species, they decide to study it-but at the same time, they must rescue a sloth bear from Donita They then learn about how sloth bears use Suction power.
Sloth bears have unique powers, including the ability to harness the power of suction to acquire food.
While the Kratt brothers investigate the creature powers of grasshoppers, Aviva and Koki help Wild Kratts Kids Nolan and Sani build a catapult. Meanwhile, Donita Donata and Paisley Paver visit Zach Varmitech's headquarters.
While exploring marshes, the Kratt brothers find a heron, and the Wild Kratts team begins studying herons in order to make the creation of a Heron Creature Power Disc possible. However, Zach Varmitech, hoping for an opportunity to steal the Wild Kratts' technology, Miniaturizes the Tortuga.
The Wild Kratts study the similarities and differences between the three types of billfish: swordfish, marlin, and sailfish. They must also stop Zach Varmitech from capturing and selling all the fish in the world.
The kratts are in Florida hanging out with brown and green anoles. Meanwhile they get a alert that Gourmand and Zach are stealing Komodo dragon eggs. The Wild Kratts travel to the island of Komodo to stop Chef Gourmand from cooking Komodo dragon eggs. To succeed, the team will need to use Komodo Dragon Powers.
The Kratts are adventuring with bald eagles in Alaska, meanwhile Gourmand is trying to cook bald eagle eggs.
Martin encounters an ermine and learns what it takes to survive in a very harsh environment.
While investigating the exoskeletons of beetles, a Hercules beetle accidentally gets enlarged.
Aviva announces she's one step closer to fixing the Time Trampoline with the invention of a Time Thruster. But before they can check it out, it goes overboard and attaches onto a Sockeye Salmon who is in the middle of the "Salmon Run". The Wild Kratts team is led on a wild chase, as they follow the salmon on this incredible and difficult journey - both battling the odds to reach their goals.
The bros decide to have a creepy-cool adventure with some creepy creatures. They split up to find the Goliath birdeater, the largest spider in the world, and the vampire bat, a blood-sucking tiny bat. But with their new creature power suits, they must find and stop Zach, who has taken the Miniaturizer and teamed up with the villains to capture creepy cool creatures for a scary animal mansion.