Mecha Builders
Robot heroes in training Elmo, Cookie Monster, and Abby Cadabby use their STEM superpowers to solve wacky larger-than-life problems.
Mecha Builders
Robot heroes in training Elmo, Cookie Monster, and Abby Cadabby use their STEM superpowers to solve wacky larger-than-life problems.
Mecha Builders
Robot heroes in training Elmo, Cookie Monster, and Abby Cadabby use their STEM superpowers to solve wacky larger-than-life problems.
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Episodes
Episode 1: They Sent Us a Pie!
A giant pie is sent to Pretty Big City to stop an asteroid… but the Mechas and friends have eaten th...
Episode 2: Dust in the Wind
The Singing Stone Heads are ready to perform at the Museum, but when they open their mouths, they sn...
Episode 3: Pull Together
Ranger Nat is stuck at the bottom of the crevice, but the problem grows when Mecha Abby also gets st...
Episode 4: Lift Up and Lift Off!
Zee is ready to launch his rocket into space, but when the launchpad breaks, the rocket is launched...
Episode 5: That Ol' Time Rock Rolls!
When Big Old Boulder rolls down the hill towards the museum, Berta needs the Mechas help to keep it...
Episode 6: Make Like a Banana and Split!
It's Food Day in Pretty Big City, but the Mechas need to help when the banana atop the banana split...
Episode 7: Magnet Mayhem
The magnet crane at the construction site accidentally turns on, sucking up all the metal, including...
Episode 8: Stop That Train
Roof is delivering eggs to Marwyn at the Train Station, that is, until the train pulls into the stat...
Episode 9: Picture Perfect Park Party
Hero Celebration Day is finishing with a slideshow of everyday heroes, that is, until the projector...
Episode 10: Sun Block
Pretty Big City is cooling off with an ice slide in the park, but the situation gets slippery when t...
Episode 11: Roll, Chickens, Roll!
Farmer MacBarm is hosting the Sunny Field Farm Chicken Roll, but the race gets off to a slow start w...
Episode 12: Ramp Up, Up, and Away!
Ranger Nat can't wait to see Pinecone's Comet, that is, until his telescope falls to the bottom of a...
Episode 13: Yip Yip, Book Book!
It's the Pretty Big All City Read and Izzy and Barb are ready, that is, until all the books go missi...
Episode 14: Stick to It!
Pretty Big City finds itself in a sticky situation when the factory starts spewing super sticky slim...
Episode 15: The Treasure of Treetop Woods
Ranger Nat's hike turns to adventure when he finds a treasure map. The only problem is that he can't...
Episode 16: Zee Makes an Amazing Maze!
Zee and MacBarm are setting up their corn maze with the help of Zee's Zee Mobile... that is, until i...
Episode 17: That's the Way the Windmill Blows!
The windmill isn't turning, which means Sunny Field Farm has no power. The windmill needs to turn ag...
Episode 18: Mecha Machine Makers!
Izzy and Timmy are making a bird caller for Grandma, but have trouble connecting pieces of their mac...
Episode 19: The Need for Feed
MacBarm is bringing food to his hungry chickens, that is, until all of the food falls out of his tru...
Episode 20: The Zipline Sisters of Treetop Woods
Grandma and her twin sister want to recreate their old zipline act, but quickly discover that the zi...
Episode 21: The Whatsacallit of Treetop Woods
Berta is opening an exhibit on the Whatsacallit of Treetop Woods. If only she could get a picture to...
Episode 22: Nat in the Dark!
Gerry and Nat are leading the Treetop Troops on a hike, but Nat finds himself lost in the woods as i...
Episode 23: Let's Get Rolling!
It's MacBarm's croquet tournament and Zee made giant decorations but they're too big to get to the f...
Episode 24: A Bit of a Stretch!
It's the opening day of the skyscraper and the Mechas need to put the sphere on top of the building...
Episode 25: Moo-ving Day!
Zee's growth ray turns Moobert giant, but when a storm rolls in, the Mechas need to build a shelter...
Episode 26: Follow That Breeze
After Ranger Nat's kite blows away in the wind, the Mechas and Timmy learn to build their own kite t...
Episode 27: Cross That Bridge
The train needs to cross the ravine, which becomes difficult when the Martians accidentally break th...
Episode 28: Knock Knock! Who's There?
The Zee Mobile is great at counting the chickens at the farm, but won't stop crashing into and ruini...
Episode 29: The Pinecone Palooza
Grandma and Timmy are entering the Pinecone Art Show by carving a sculpture out of stone… that is, i...
Episode 30: The Big Footed Cave Bird
Ranger Nat is hiking and comes across the Big-Footed Cave Bird, and realizes it can't get back into...
Episode 31: Yip Yip Tree Tree
When the ornaments on the Pretty Big City tree break, the Mechas must build new ones and save the ho...
Episode 32: The Snowman Scarecrow
It's time for Zee and MacBarm's gift exchange, but the snowman scarecrow Zee made for MacBarm keeps...
Episode 33: All Mechas on Deck
Lloyd's testing a wind-up powered go-cart, but a problem arises when it keeps running out of energy.
Episode 34: Where There's a Wheel, There's a Way
Sif's coming in for a landing at the rocket launch site - until her rocket is pushed off course by a...
Episode 35: Silly Hat Catastrophe!
Lloyd is selling silly hats at the factory, but when the hat machine malfunctions it starts raining...
Episode 36: Zee In a Bottle
Zee makes a giant rocket ship in a bottle, but things take a turn when he gets stuck inside!
Episode 37: MacBarm's Day Off
It's MacBarm's day off and Zee takes over harvesting carrots with his Zee mobile, but when it breaks...
Episode 38: Playhouse Problem!
Ranger Nat is bringing a playhouse on the train for Timmy and Izzy, but it won't fit through the tun...
Episode 39: Can't Stop the Martians!
The Martians come to Pretty Big City but find themselves in need of help when they are unable to lan...
Episode 40: The Best Nest Test
Zee needs to communicate with Sif in outer space but can't because a bird has made its home on top o...
Episode 41: Get in Gear
Panic erupts in Pretty Big City when the big clock breaks and no one is able to tell what time it is...
Episode 42: Free-Wheelin' Ferris Wheel
Zee is showing off his inventions at his rocket-powered show, including his latest creation, a rocke...
Episode 43: The Legend of Jack O'Lantern
It's Halloween and everything is set for the Zee Mobile to pull the haunted hayride… until it drives...
Episode 44: The Mecha T-Rex
Timmy can't wait to trick or treat as a Mecha T-Rex, but his Halloween is almost ruined when he can'...
Episode 45: The Escaping Cows of Sunny Field Farm
Zee's new drone accidentally doubles as a cow caller, and the cows keep leaving the farm to go see i...
Episode 46: Measure for Measure
Marwyn attempts to make Pretty Big City's largest cookie, but to do so, he'll need a lot of help.
Episode 47: Special Delivery
The Martians want to help Lloyd deliver packages, but keep breaking them when they drop them from up...
Episode 48: Super Duper Sled Slide
MacBarm and Zee built a slide that sends people all the way across the farm… which means people spen...
Episode 49: The Case of the Missing Crystal Pinecone
Izzy and Timmy go to dig up treasure at the top of Lawrence Pinecone's Statue's shadow… only to find...
Episode 50: The Pretty Big Thing
The mysterious "Pretty Big Thing" is scaring the people of Pretty Big City from going to work… but w...
Episode 51: Sticky Space Race
Zee's super sticky slime spills on Zee and MacBarm, leaving them stuck together.
Episode 52: The Big Ice
When Marwyn runs out of ice, the Martians send a giant hunk of ice. All goes well until the ice star...
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