Digit is going on his annual visit to Mermaidos, an underwater cybersite filled with merfolk, to visit one of his best friends in the whole cyber-world-Eugene. The two of them are great buddies who love to play underwater games, frolic with fish, and do other wacky water things in this idyllic underwater paradise. When Digit arrives, something is wrong. Mermaidos is murky and warm and the fish are leaving in droves. Digit feels terrible for his pal Eugene and promises to do what he can to make things right. It turns out Hacker has put a plan in motion to turn Mermaidos into his own personal hot tub! He is making the water hotter and hotter, raising the temperature to a hot 100 cyber-degrees- a temperature that would make Mermaidos uninhabitable for the Mermaidians and force them to move out. It is up to Digit and the CyberSquad to stop Hacker's plan, reverse the thermal pollution and help save Eugene's home.

Has Hacker finally found a way to take down Motherboard forever? All bets are off when Hacker stumbles upon the secret location of the "Program Proliferator" - a piece of hardware capable of reprogramming Motherboard's operating system. It's buried right under Dingerville Park, home of The Dingerball Series, a once-in-every-four-year championship game less than a week away. While retrieving the device, Hacker suctions up all the ballfield's dirt, leaving a giant crater in the ground-and in the hearts of all Cybercitizens. No one is more distraught than Lefty, the local seven-year-old pitcher Matt's been mentoring. The CyberSquad must figure out how to refill the missing dirt before the big game! Could composting lead to a home run?

In Coralina, the CyberSquad and Digit marvel at the cybersite's colorful coral reef. Inez hopes to bring back a piece of coral as a gift for her aunt until they learn coral is alive and the reef is under threat! Something is causing the ocean to become hot and murky, and it's bleaching the coral. With the help of an action hero crab, can the kids find the source of the heat before it's too late? Topics: Coral Reefs; Thermal Pollution; Temperature; Mapping; Collecting Data Big Idea: When you protect the health of coral reefs, you also protect the vast amount of ocean life that depend on the reefs as places to live or find food.

To please his pet smirble, BB, Hacker transforms a park into a highly manicured space, but BB doesn't like it at all! To find out why, the kids time travel to collect and analyze data and help restore the park's biodiversity.

Has Hacker finally concocted his most perfect plan to shut down Motherboard once and for all, making him the ruler of Cyberspace? It looks that way, as Hacker has positioned giant patches of trash in Cyberspace to converge on Control Central! Hacker is giddy with delight, because the citizens of Cyberspace unknowingly helped his plan. They didn't dispose of their trash properly and created the huge trash patches to begin with. Back at Control Central, Digit is updating Motherboard's software for her birthday and accidentally causes her to shut down! He and the CyberSquad try to reboot her, to no avail. With Motherboard down, they must rely on their quick problem-solving skills and help from citizen scientists to get to the bottom of the trash trouble and protect Control Central. Can they save Motherboard - and all of Cyberspace - before it's too late?

Has Hacker finally concocted his most perfect plan to shut down Motherboard once and for all, making him the ruler of Cyberspace? It looks that way, as Hacker has positioned giant patches of trash in Cyberspace to converge on Control Central! Hacker is giddy with delight, because the citizens of Cyberspace unknowingly helped his plan. They didn't dispose of their trash properly and created the huge trash patches to begin with. Back at Control Central, Digit is updating Motherboard's software for her birthday and accidentally causes her to shut down! He and the CyberSquad try to reboot her, to no avail. With Motherboard down, they must rely on their quick problem-solving skills and help from citizen scientists to get to the bottom of the trash trouble and protect Control Central. Can they save Motherboard - and all of Cyberspace - before it's too late?

Delete is having a bad day. Hacker yelled at him and Buzz made fun of his first-ever invention, a "Bunny-Copter." When he wishes things were better, Delete discovers he has a Fairy Borg Father named Zanko, who appears and grants him nine wishes. Chaos ensues from Delete's wacky wishes, and the CyberSquad is called in. When Zanko & Matt end up stuck on a ledge inside hazardous Statico Chasm, Inez and Jackie must 'refine & optimize' the Bunny-Copter to rescue them. Can they do it in time? EDUCATIONAL OBJECTIVE: When you have an invention that needs an improvement, identify the key feature that needs changing and vary it until the invention is as good as it can be.

Hacker's stolen the CyberStar. The CyberSquad races through a fizzy Asteroid Belt and solves math patterns to get it back, reclaiming their confidence along the way.

Another Dingerball season is just around the corner for the Dingerville Dragons. But the team is far from ready for Opening Day. The reason - there's so much traffic in town, the players can never reach the field in time to practice. They need an alternate way to avoid the traffic. With a bit of creative thinking the CyberSquad test ideas and design a pedal-powered solution - the Dingermobile! Topics: Alternate Forms of Transportation; Prototyping; Measuring Distances and Time Big Idea: When there are too many cars on the road, you can find other, cleaner ways to move around to ease congestion, lower pollution and maybe even get some exercise.

It's the annual Father's Day Parade in Tikiville, and Creech's father, Max (Matthew Broderick), is this year's Cyberdad of the Year. Max was once a schoolmate of Hacker's - and continually bested Hacker in all of their endeavors. Hacker has decided it's time to get even and this time he's got a really clever plan... Using secret codes and a band of bad guys, he rolls into action, cleverly changing the code each step of the way to keep those "earthbrats" from catching on. Will Hacker succeed in spoiling Father's Day and embarrassing Max? Or will our heroes figure out the pattern to his codes in time to stop him?

As Hacker eyes the Cyber Square trophy, the CyberSquad helps Stellandia's beetles set up a court with fractions to defeat him. Back home, Inez uses fractions to keep peace with little brother, Len.

Everyone's scooters are mysteriously breaking in Botsburg! The Squad tries to uncover the cause and launches a clinic to fix them using math and engineering skills. Back home, Jackie tests her new fixing skills on a broken family heirloom.

The Lilting Loons of Botsberg beloved for their soothing songs have gone missing, and the pond they call home has been replaced by trash. Thanks to Digit's shrink ray, the CyberSquad shrink down, travel through the water pipes and discover that the source of the pollution is coming from different places miles apart! Will their little actions lead to big solutions? Topics: Non-point Source Water Pollution; Mapping; Ratios; Measuring Distances Big Idea: When pollution comes from many different places, make choices that keep as much of it from reaching the water as possible to help improve the waterway's health.

Hacker returns to the Cybrary to wreak revenge on Ms. Fileshare and the kids. His crafty plan tricks the kids to try to rescue Ms. Fileshare, only to find themselves all trapped! If the CyberSquad doesn't escape in time, Hacker will steal the Cybrary's most valuable books - all about the most secret inner-workings of Motherboard!

The Belly Bowl is coming up and the penguins must choose a team captain! Will it be Mimi or Gabe Gibson The Squad introduces voting as a fair way to decide.

Bird lovers across Cyberspace have arrived at the Migration Celebration - a magical event where the rare teal-footed trillers flock once every five years. But when the trillers are a no-show, Professor Bobson, host of the event, knows something is amiss. After cancelling the celebration, phone calls and social media posts start reporting triller sightings all over Cyberspace! The Professor and kids recruit dozens of citizen scientists to record their observations when they see a triller. But in the chaos, they forget Digit, the biggest triller lover of all, can be a big help! When all the citizen scientists have reported back, it leads to a shocking discovery. What is the data telling them? And can Digit help crack the case?

Buzz sets out to throw the best birthday ever for Hacker. Nothing but the finest food, decorations, and music will do! There's just one problem - Buzz's plans will cause way too much pollution! Delete brings in the CyberSquad to help.

Atop Mount Stellandia, the CyberSquad awaits the return of Kacy's Comet an event that only takes place every fifty years! Even Hacker and his bots can't wait to see it. There's just one problem a light is glaring into the sky and blocking out all the stars. The Squad investigates and along the way help several animals also struggling with the blinding light. Will they find the source in time? Topics: Light Pollution; Bortle Scale; Comparing Data; Mapping and Cardinal Directions; Counting Down Time Big Idea: When too much artificial light pollutes the night, it can be unhealthy for many kinds of living things.

A televised skate-off will decide ultimate naming rights for the new Radopolis skate park. Will it be named after Slider, the ace skateboarder of Cyberspace, or The Hacker, the vainest villain in the virtual universe? When the power mysteriously goes out at the skate park, the CyberSquad and Digit must find a way to turn it back on before the nighttime skateboarding extravaganza. They decide to use solar panels to collect energy during the day that can power the park at night. But will they have enough area to install the panels, and enough time to collect energy before sundown? And if they do, can their friend out-skate the ace cheater of Cyberpsace?

In Coralina, the CyberSquad and Digit marvel at the cybersite's colorful coral reef. Inez hopes to bring back a piece of coral as a gift for her aunt until they learn coral is alive and the reef is under threat! Something is causing the ocean to become hot and murky, and it's bleaching the coral. With the help of an action hero crab, can the kids find the source of the heat before it's too late? Topics: Coral Reefs; Thermal Pollution; Temperature; Mapping; Collecting Data Big Idea: When you protect the health of coral reefs, you also protect the vast amount of ocean life that depend on the reefs as places to live or find food.

It's high-flying action and problem-solving at Big Dune Beach! Digit competes in an annual kite-flying competition and Hacker is there ruining the beach's delicate sand dunes. Can the CyberSquad protect the dunes and help Digit win?

In the world of Cyberchase, Motherboard has summoned three adventurous Earth kids Jackie, Matt, Inez and their bird pal Digit as the "CyberSquad." Using brain power, perseverance and math problem solving skills, the CyberSquad has the awesome task of saving "Cyberspace" from the dastardly Hacker and his partners in chaos, Buzz and Delete. Each episode also includes a comedic live-action epilogue that shows that math is everywhere and everyone can use it.

It's not easy being the most notorious villain in all of Cyberspace, and Hacker is really stressed out. Buzz and Delete surprise their mess-of-a-stress boss with a blissful day at Mount Bear Fresh Water Spa, full of relaxing treatments sourced from the beautiful Mount Bear River! But, when the water supply suddenly stops flowing, Hacker and the other patrons are left out to dry. With spa manager, Jules, in over his head, Buzz and Delete go to extreme measures and ask the CyberSquad for help. Using a map and spatial reasoning skills, Digit and the kids turn upstream for clues about why the spa's water has been reduced to a mere trickle. Can the CyberSquad save the day? Or will it all just go down the drain?

The Lilting Loons of Botsberg beloved for their soothing songs have gone missing, and the pond they call home has been replaced by trash. Thanks to Digit's shrink ray, the CyberSquad shrink down, travel through the water pipes and discover that the source of the pollution is coming from different places miles apart! Will their little actions lead to big solutions? Topics: Non-point Source Water Pollution; Mapping; Ratios; Measuring Distances Big Idea: When pollution comes from many different places, make choices that keep as much of it from reaching the water as possible to help improve the waterway's health.

As Hacker eyes the Cyber Square trophy, the CyberSquad helps Stellandia's beetles set up a court with fractions to defeat him. Back home, Inez uses fractions to keep peace with little brother, Len.

The kids have a really cool plan for Digit's b-day-a surprise party! But in order to keep the secret, they pretend to forget his big day. Disappointed, Digit goes off on his own and runs into Hacker. The vexatious villain is only too happy to take advantage of the situation: If he can convince the dejected Digit that he is his one true friend, he can reprogram the cyboid to gain access to Motherboard! Meanwhile, the kids have a special gift made for their pal-a chocolate "Digit" sculpture. But to get it to the party, they must cross a desert where the heat threatens to melt the sweet treat. By observing how wearing a wet bandana keeps them cool, the kids figure out that evaporation is key to keeping the choco-sculpture from melting. But can they get it to Digit in one piece before Hacker cons him into changing sides?

It's Arbor Day in Cyberspace "a special day to plant a tree for a best friend" but Buzz has other plans. Concerned that Buzz is absorbed by his video game, "The Terrific Tree", Delete calls on the CyberSquad to help get his best buddy back. They head out to the forest and use Buzz's knowledge of trees learned from his video game to help Delete pick the perfect tree to plant in Buzz's honor. Topics: Trees; Comparing Data, Measuring Distances Big Idea: Plant trees where there aren't any and they will give back in surprising ways.

All is not well in Perfectamundo, a dome-enclosed cybersite, when orange spots are discovered building up on the dome's interior surface, blocking the site's precious sunlight. What source could be responsible for the spots multiplying so fast? Is it Hacker's new factory that pours out orange clouds through smoky stacks? It can't be that new Digifizz toy, with its tiny burst of colorful sparkles shooting into the air each time it gets used. With time running out, the CyberSquad must come to grips with the power of multiplication and use it to undo the site's pollution problem.

Judge Trudy's beautiful Roadrunner Ranch is the talk of Cyberspace. Her centerpiece? A beautiful desert garden teeming with diverse wildlife, lush plants and prized "Prickly Peach Cactus." All is peachy until several cacti suddenly go missing! Meanwhile, Buzz and Delete are building their own garden in the Northern Frontier. But why do some of their plants look strangely familiar? Topics: Biodiversity; Counting; Collecting Data; Comparing Data; Pictographs Big Idea: A balanced ecosystem supports a wide variety of life "from the very big to the very tiny" with everyone playing an important role in the ecosystem's overall health.

Hacker pollutes cyberspace with dangerous cyberstatic by tampering with four satellites designed to keep everything free from cyber- static cling. But is his plan only to trash cyberspace - or does he have something even more devious up his cloak? The kids learn the answer as they use balance scales and equations to restore the satellites and save Motherboard. The Big Idea: You can use an equation - a statement that two different expressions are equal to each other - to find unknown values that make the equation true. Math Topic: Balancing Equations NCTM Links: Algebra, Representation, Connections.

As Hacker eyes the Cyber Square trophy, the CyberSquad helps Stellandia's beetles set up a court with fractions to defeat him. Back home, Inez uses fractions to keep peace with little brother, Len.

The Belly Bowl is coming up and the penguins must choose a team captain! Will it be Mimi or Gabe Gibson The Squad introduces voting as a fair way to decide.

Penguins can't fly - or can they? In Cyberspace, on one special night each year, the penguins of Penguia take flight to deliver gifts to young borgs across the virtual universe. For the first time ever, the CyberSquad's friend Fluff is participating, and invites his pals Matt, Jackie, Inez and Digit to join him in the impressive Penguin March. They head to the Ice Palace, where the gifts are made and where magic snowflakes are sprinkled on the penguins so they can fly. But Hacker, up to his usual ruinous tricks, doesn't want a happy holiday (let alone happy little borgs) so he creates a giant ditch in front of the Ice Palace and traps all the penguins in its icy depths! The CyberSquad must get the penguins ice-shoes so they can climb out before midnight, but how many do they need? With too many to count, the answer lies in the kids' ability to sample the penguin population to make a close estimate. Can the CyberSquad save the penguins and their favorite holiday too??

Hacker's secret quest continues, with the nefarious `borg on the hunt for the next piece of his mysterious machine. His search for the legendary Prism of Penguia takes him to snowy Cyberia. While trying to stop Hacker, Digit and the kids are trapped in an icy cave and must master the principles of bouncing in order to break out. Can they escape in time or will Hacker's plan succeed?

Hacker has crowned himself Emperor of Penguia and deposited the real emperor as a frozen statue in a distant corner of the site. The CyberSquad arrives just as a crippling snowstorm makes its way across Penguia in a path that seems destined to collide with their rescue. Digit uses updates on the storm's progress from cyberweathercaster Stormy Gale (Janice Huff) to help the kids track the storm. Will the kids be able to predict where and when it will hit next - or will the storm stop them from saving the Emperor from a frozen fate?

To compete for the prestigious Penguia Cup, Fluff wants to wear his dad's lucky hockey skates - but his teammates won't let him! They're all going to wear the cool new Cyberblades they saw advertised on TV. To change their minds, Fluff must analyze a sneaky ad and prove the new skates are not the best choice for the big game.

(topic: Estimation) - Hacker steals the powerful sunisphere from Solaria, causing the cyberworld's sunny vacation paradise to be covered in snow! In a fun-filled chase across the snowy terrain, the kids discover the power and speed of estimation in order to recover the glowing orb from Buzz and Delete before the temperature reaches zero and the site freezes over forever. The Big Idea: Sometimes using a close answer is good enough for the problem you are solving. ~

The Belly Bowl is coming up and the penguins must choose a team captain! Will it be Mimi or Gabe Gibson The Squad introduces voting as a fair way to decide.

Atop Mount Stellandia, the CyberSquad awaits the return of Kacy's Comet an event that only takes place every fifty years! Even Hacker and his bots can't wait to see it. There's just one problem a light is glaring into the sky and blocking out all the stars. The Squad investigates and along the way help several animals also struggling with the blinding light. Will they find the source in time? Topics: Light Pollution; Bortle Scale; Comparing Data; Mapping and Cardinal Directions; Counting Down Time Big Idea: When too much artificial light pollutes the night, it can be unhealthy for many kinds of living things.

Hacker's stolen the CyberStar. The CyberSquad races through a fizzy Asteroid Belt and solves math patterns to get it back, reclaiming their confidence along the way.

Every year, the Northern Frontier ducks migrate to Restoria, returning stronger, refreshed and full of energy. Hacker believes that if he felt as good, he could take over Cyberspace once and for all. Determined to discover where Restoria is, Hacker sends Buzz and Delete to follow the ducks. The CyberSquad tags along during the migration, helping the flock avoid numerous hazards along the way. Topics: Migration; Mapping; Cardinal Directions; Skip Counting Big Idea: Some animals need a "summer" home and a "winter" home to survive, and travel between the two often following the same route each year.

It's Starlight Night, the annual holiday when all the stars in Cyberspace are refreshed for the new year. But Hacker concocts a scheme to darken the stars forever. He sends Buzz and Delete to stop all production of new star circuits and take inventor Archimedes to the Northern Frontier. With the ceremony only hours away, the kids and Digit must find a simple way to make the complex circuits and rescue Archimedes -- all before Hacker turns out the lights in Cyberspace!

Matt, Inez, Digit, and Jackie are planning a friendship retreat: four epic days of camping in the wilderness on Camptopia. Although Jackie's going to miss her warm bed, everyone's excited to spend uninterrupted time together in nature-no distractions whatsoever. All are happy campers until Digit's Power Pal 3000--a cooking-heating-entertainment center all-in-one--suddenly shuts down! With no gadgets to heat up their campsite, cook their meals, or save their retreat, temperatures drop while tensions rise. The kids have to learn how to work through their frustrations, and perhaps look up for a solution. Through a bit of trial and error, the kids discover that they can harness the power of the sun to solve their problems. It's amazing what solar energy and a little ingenuity can do!

Matt, Inez, Digit, and Jackie are planning a friendship retreat: four epic days of camping in the wilderness on Camptopia. Although Jackie's going to miss her warm bed, everyone's excited to spend uninterrupted time together in nature-no distractions whatsoever. All are happy campers until Digit's Power Pal 3000--a cooking-heating-entertainment center all-in-one--suddenly shuts down! With no gadgets to heat up their campsite, cook their meals, or save their retreat, temperatures drop while tensions rise. The kids have to learn how to work through their frustrations, and perhaps look up for a solution. Through a bit of trial and error, the kids discover that they can harness the power of the sun to solve their problems. It's amazing what solar energy and a little ingenuity can do!

Everyone's scooters are mysteriously breaking in Botsburg! The Squad tries to uncover the cause and launches a clinic to fix them using math and engineering skills. Back home, Jackie tests her new fixing skills on a broken family heirloom.

Hacker becomes a good guy! Can this possibly be true? A new, reformed Hacker runs for election against Motherboard, claiming to have done five good deeds, and promising to turn over a new leaf. Can the kids find a counter example that proves Hacker is lying -- or will he be elected the new ruler of cyberspace? Guest voice: Al Roker as "Sam Vander Rom." The Big Idea: When people use words like always, never, all, or none to claim something is true, be suspicious! Such claims are often false, and you need only a single counter example to disprove them. Math Topic: Counter Examples NCTM Link: Reasoning & Proof.

Kids in glamorous Gollywood have no safe place to play. When they discover an empty lot that can be converted to a park, they have only one opponent: Hacker. He wants the lot for his new Gollywood Tower, which he claims will broadcast entertainment to all of Cyberspace. (The tower is really meant to corrupt Motherboard's hard drive.) The CyberSquad goes up against Hacker at a city council hearing. Will they get their park, or will Hacker dazzle the council into approving his tower? Big idea: Communities need to provide safe, inviting outdoor spaces where kids can play and be physically active. Math concepts: Data Collection and Representation: Surveys, Tally Marks.

The CyberSquad gets fashionable in Factoria! Jackie wins the chance of a lifetime to apprentice with the incomparable fashion designer Fabio DeZine. Jackie quickly learns, it takes more than just a pretty drawing to design something with real, sustaining impact. Topics: Sustainable Design; Prototyping; Geometry Big Idea: When you reuse or repurpose materials to make something new, you help make sure Earth's resources are there for the future.

In the company of the ghostly pirate Ivanka, the elusive Doctor Marbles is back, and this time he's discovered a powerful cybermineral he can use to help Motherboard. Located deep inside a volcano on the cybersite Corsario, this "Magmalux" is strong enough to override the virus Hacker inflicted on the beloved Cyberspace ruler. Unfortunately, Hacker is on to Marbles and traps him on Skull Island so he can retrieve the Magmalux for his own evil purpose. Enter the CyberSquad: Digit tracks Hacker while the kids solve another problem: how to rescue Marbles! Hacker has destroyed the bridge to Skull Island, and the water surrounding it is infested with electric eels. Can they build a new bridge-with just an old sign to work with-and get to the volcano in time to stop Hacker?