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Cyberchase Previous Broadcasts

Sensible Flats (Episode #105)

KQED Kids: Wed, Nov 26, 2014 -- 10:00 PM

(topic: Area) - Our Cyber-Team is transported to a Wild West site to prove that Hacker has taken a larger piece of land than he is allowed. Hacker is in jail and the trial is about to begin, but is his homestead really larger than what Judge Trudy will allow? The kids must discover how to measure the area of his irregularly shaped property in order to find the answer. The Big Idea: To find the area of an object, count how many squares fit on it. But there's an easier way! Measure an object's dimensions, and you can use mathematics to calculate its area.

Repeat Broadcasts:

  • KQED Kids: Thu, Nov 27, 2014 -- 4:00 AM

The Eye of Rom (Episode #207)

KQED Kids: Tue, Nov 25, 2014 -- 10:00 PM

With special guest star Bebe Neuwirth. Hacker steals the powerful Eye of Rom from Binky the Cat's pyramid, placing the Ancient Egypt cybersite in jeopardy. The kids and Digit set out to retrieve the Eye from Hacker, but the journey is packed with a maze of exciting, action-filled gambits that force them to first do and undo a series of complicated steps. The Big Idea: Find the inverse of an action and you can undo it, putting things back the way they were. Math Topic: Inverse Operations; NCTM Link: Number & Operations.

Repeat Broadcasts:

  • KQED Kids: Wed, Nov 26, 2014 -- 4:00 AM

Chaos As Usual (Episode #609)

KQED Kids: Mon, Nov 24, 2014 -- 10:00 PM

Introducing Memoryville, home to a vast storehouse of Cyberspace data, where The Slugball Open, a Cyberspace version of baseball, is in progress. In their attempt to win for a day the Key to the City, Team Motherboard has made it to the finals ... along with, you guessed it, Hacker! Unbeknownst to most (except, of course, to Hacker), this Key opens all doors to the city-including the door to the data storehouse! With surefire plans to win, Hacker can hardly wait to delete the data and create untold chaos. Undaunted by the awesome array of Hacker's bad guys, Team Motherboard discovers distinctive patterns to these nefarious sluggers' past performances. But can the hit charts they develop be enough to help the good guys win?

Repeat Broadcasts:

  • KQED Kids: Tue, Nov 25, 2014 -- 4:00 AM

Designing Mr. Perfect (Episode #503)

KQED Kids: Sun, Nov 23, 2014 -- 10:00 PM

Frustrated that she can't find Mr. Perfect, The Wicked Witch sets out to design him, by turning a frog into her Prince Charming. Unknowingly, however, Wicked captures and transforms Digit instead of a frog. Her sympathetic wand, Wanda (Danica McKellar), secretly alerts the CyberSquad who jump into action. Their problems multiply when a jealous Hacker kidnaps their cyboid pal. The kids must design an invention that can do two things: navigate a perilous swamp AND get to the top of a tall cliff. Can they pull off the rescue before it's too late?

Repeat Broadcasts:

  • KQED Kids: Mon, Nov 24, 2014 -- 4:00 AM

Codename: Icky (Episode #116)

KQED Kids: Sat, Nov 22, 2014 -- 10:00 PM

(topic: Codes) - In the watery depths of cybersite Aquari-yum, the kids and Hacker go in search of a giant cyber-slug, who feeds on pure energy. The kids and Digit travel underwater in two separate vessels, but Hacker has a listening device that taps into their communications system, allowing him to overhear their plans - and track every move they make. The kids outsmart Hacker by devising a series of codes so they can send messages back and forth in secret - even though Hacker can hear what they're saying. But unless the kids can reach the slug first, Hacker will use the slug to attack Motherboard's circuitry and disable her once and for all! The Big Idea: You can use a code (a communication system that substitutes one thing for another) to send top-secret messages as long as your code has an adjustable rule that can be reversed to read the message.

Repeat Broadcasts:

  • KQED Kids: Sun, Nov 23, 2014 -- 4:00 AM

A Battle of Equals (Episode #125)

KQED Kids: Fri, Nov 21, 2014 -- 10:00 PM

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.

Repeat Broadcasts:

  • KQED Kids: Sat, Nov 22, 2014 -- 4:00 AM

The Bluebird of Zappiness (Episode #805)

KQED Kids: Thu, Nov 20, 2014 -- 10:00 PM

Hacker's nemesis Ledge is back to settle the score with Hacker by finding the Bluebird of Zappiness - the key to fixing Motherboard's virus - before Hacker can. To stop him, Hacker makes an unlikely alliance - with the CyberSquad! Together they must figure out how clues from Motherboard - plus shadow math - can help them find it first. Can this unlikely team possibly succeed?

Repeat Broadcasts:

  • KQED Kids: Fri, Nov 21, 2014 -- 4:00 AM

Going Solar (Episode #902)

KQED Kids: Wed, Nov 19, 2014 -- 10:00 PM

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?

Repeat Broadcasts:

  • KQED Kids: Thu, Nov 20, 2014 -- 4:00 AM

Designing Mr. Perfect (Episode #503)

KQED Kids: Tue, Nov 18, 2014 -- 10:00 PM

Frustrated that she can't find Mr. Perfect, The Wicked Witch sets out to design him, by turning a frog into her Prince Charming. Unknowingly, however, Wicked captures and transforms Digit instead of a frog. Her sympathetic wand, Wanda (Danica McKellar), secretly alerts the CyberSquad who jump into action. Their problems multiply when a jealous Hacker kidnaps their cyboid pal. The kids must design an invention that can do two things: navigate a perilous swamp AND get to the top of a tall cliff. Can they pull off the rescue before it's too late?

Repeat Broadcasts:

  • KQED Kids: Mon, Nov 24, 2014 -- 4:00 AM
  • KQED Kids: Wed, Nov 19, 2014 -- 4:00 AM

Codename: Icky (Episode #116)

KQED Kids: Mon, Nov 17, 2014 -- 10:00 PM

(topic: Codes) - In the watery depths of cybersite Aquari-yum, the kids and Hacker go in search of a giant cyber-slug, who feeds on pure energy. The kids and Digit travel underwater in two separate vessels, but Hacker has a listening device that taps into their communications system, allowing him to overhear their plans - and track every move they make. The kids outsmart Hacker by devising a series of codes so they can send messages back and forth in secret - even though Hacker can hear what they're saying. But unless the kids can reach the slug first, Hacker will use the slug to attack Motherboard's circuitry and disable her once and for all! The Big Idea: You can use a code (a communication system that substitutes one thing for another) to send top-secret messages as long as your code has an adjustable rule that can be reversed to read the message.

Repeat Broadcasts:

  • KQED Kids: Sun, Nov 23, 2014 -- 4:00 AM
  • KQED Kids: Tue, Nov 18, 2014 -- 4:00 AM

And They Counted Happily Ever After (Episode #108)

KQED Kids: Sun, Nov 16, 2014 -- 10:00 PM

(topic: Number Sense) - Hacker kidnaps the King of this fractured fairytale world, and demands a ransom of golden eggs. The Wicked Witch then casts a spell, taking away everyone's ability to count and making it impossible for the fairy tale folk to gather the required large number of eggs. With the safety of the King at stake, the kids must help the fairy tale folk understand the role of place value in our number system before time runs out! The Big Idea: With numbers and a system, you have the power to keep track of anything and everything on earth.

Repeat Broadcasts:

  • KQED Kids: Mon, Nov 17, 2014 -- 4:00 AM

An Urchin Matter (Episode #901)

KQED Kids: Sat, Nov 15, 2014 -- 10:00 PM

There's a mega mystery in Megabays - the once-healthy kelp in Big Bay is washing ashore. The CyberSquad must work with Captain Skuttlebutt, keeper of the bays, to get to the bottom of it. They explore the marine ecosystem and discover that there are way more urchins than anything else... but why? Is it nature at work, or is something - or someone - causing the underwater kelp forest's collapse?

Repeat Broadcasts:

  • KQED Kids: Sun, Nov 16, 2014 -- 4:00 AM

Unhappily Ever After (Episode #603)

KQED Kids: Fri, Nov 14, 2014 -- 10:00 PM

Hacker, longing again for Wicked, devises a deliciously dreadful plan to impress her: He sneaks into Happily-Ever-Afterville, uncovers the Book of Unhappy Endings, releases them across the site and crowns himself king! Wicked, duly impressed, becomes his Queen and together they delight as unhappy endings unfold. To rescue the site, the CyberSquad must get the Book back from Hacker to recapture the unhappy endings, and seal it inside 3 nesting boxes with precisely fitting lids ... all before sundown! Of course, Hacker has destroyed the lids, but the kids enlist the carpentry skills of one of the Three Little Pigs. Can the team figure out how to cut new lids in time - or will this tale end Unhappily Ever After?

Repeat Broadcasts:

  • KQED Kids: Sat, Nov 15, 2014 -- 4:00 AM

Raising The Bar (Episode #210)

KQED Kids: Thu, Nov 13, 2014 -- 10:00 PM

The main Cybrary is under attack. Hacker, disguised as an exterminator called the Vermin Vexer, has released a mysterious cyberbug that is systematically destroying certain information - but Ms. Fileshare, the overworked Cybrarian, is too busy to notice. When Hacker uses bar graphs to confuse Ms. Fileshare, the kids create bar graphs of their own to counter his contentions. Which graph will Ms. Fileshare believe? And what information is Hacker trying to destroy? Math Topic: Bar Graphs; NCTM Links: Representation. *With special guest star Jasmine Guy*

Repeat Broadcasts:

  • KQED Kids: Fri, Nov 14, 2014 -- 4:00 AM

Digit's B-Day Surprise (Episode #601)

KQED Kids: Wed, Nov 12, 2014 -- 10:00 PM

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?

Repeat Broadcasts:

  • KQED Kids: Thu, Nov 13, 2014 -- 4:00 AM

And They Counted Happily Ever After (Episode #108)

KQED Kids: Tue, Nov 11, 2014 -- 10:00 PM

(topic: Number Sense) - Hacker kidnaps the King of this fractured fairytale world, and demands a ransom of golden eggs. The Wicked Witch then casts a spell, taking away everyone's ability to count and making it impossible for the fairy tale folk to gather the required large number of eggs. With the safety of the King at stake, the kids must help the fairy tale folk understand the role of place value in our number system before time runs out! The Big Idea: With numbers and a system, you have the power to keep track of anything and everything on earth.

Repeat Broadcasts:

  • KQED Kids: Mon, Nov 17, 2014 -- 4:00 AM
  • KQED Kids: Wed, Nov 12, 2014 -- 4:00 AM

An Urchin Matter (Episode #901)

KQED Kids: Mon, Nov 10, 2014 -- 10:00 PM

There's a mega mystery in Megabays - the once-healthy kelp in Big Bay is washing ashore. The CyberSquad must work with Captain Skuttlebutt, keeper of the bays, to get to the bottom of it. They explore the marine ecosystem and discover that there are way more urchins than anything else... but why? Is it nature at work, or is something - or someone - causing the underwater kelp forest's collapse?

Repeat Broadcasts:

  • KQED Kids: Sun, Nov 16, 2014 -- 4:00 AM
  • KQED Kids: Tue, Nov 11, 2014 -- 4:00 AM

The Halloween Howl (Episode #501)

KQED Kids: Sun, Nov 9, 2014 -- 10:00 PM

The CyberSquad must "divide and conquer" in order to rescue the Mayor from Hacker's clutches and save Castleblanca's big Halloween Howl party, which all the little monsters are looking forward to.

Repeat Broadcasts:

  • KQED Kids: Mon, Nov 10, 2014 -- 4:00 AM

Trick Or Treat (Episode #214)

KQED Kids: Sat, Nov 8, 2014 -- 10:00 PM

Hacker shows up at Motherboard Control Central. He pleads guilty to being the King of Chaos, but says he's sorry. He doesn't want to be a bad guy anymore. But when nobody's looking, he slips a strange frog into the air duct. What happens when this frog grows into a grotesque, alien creature that threatens to destroy Motherboard? And what will happen to the kids when they go inside Motherboard to track it down?

Repeat Broadcasts:

  • KQED Kids: Sun, Nov 9, 2014 -- 4:00 AM

True Colors (Episode #204)

KQED Kids: Fri, Nov 7, 2014 -- 10:00 PM

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.

Repeat Broadcasts:

  • KQED Kids: Sat, Nov 8, 2014 -- 4:00 AM

A Perfect Fit (Episode #307)

KQED Kids: Thu, Nov 6, 2014 -- 10:00 PM

The monster Gigabyte returns! The bad guys bring Gigabyte to a remote, Mayan-style pyramid on cybersite Jimaya. The CyberSquad must work their way past a variety of obstacles, and block the rays of the sun before it can energize the metal monster and cause chaos!

Repeat Broadcasts:

  • KQED Kids: Fri, Nov 7, 2014 -- 4:00 AM

Castleblanca (Episode #102)

KQED Kids: Wed, Nov 5, 2014 -- 10:00 PM

(topic: Finding Meaning from Data) - Dr. Marbles is captured by Hacker and taken to Castleblanca, a cyberspace version of Transylvania. Hacker's goal: transfer Marbles' brainpower into his newly-built robot named Megabyte! Summoned by Motherboard, the kids and Digit arrive with the knowledge that Hacker has taken Marbles to a castle - but which one? There are hundreds and hundreds of castles. To find Marbles, the kids must master the art of properly collecting data, organizing it and graphing the results - which are sometimes surprising! The Big Idea: Data is a lot more than a collection of numbers. When you gather it, organize and analyze it, you can discover useful information hidden in the numbers.

Repeat Broadcasts:

  • KQED Kids: Thu, Nov 6, 2014 -- 4:00 AM

The Halloween Howl (Episode #501)

KQED Kids: Tue, Nov 4, 2014 -- 10:00 PM

The CyberSquad must "divide and conquer" in order to rescue the Mayor from Hacker's clutches and save Castleblanca's big Halloween Howl party, which all the little monsters are looking forward to.

Repeat Broadcasts:

  • KQED Kids: Mon, Nov 10, 2014 -- 4:00 AM
  • KQED Kids: Wed, Nov 5, 2014 -- 4:00 AM

Trick Or Treat (Episode #214)

KQED Kids: Mon, Nov 3, 2014 -- 10:00 PM

Hacker shows up at Motherboard Control Central. He pleads guilty to being the King of Chaos, but says he's sorry. He doesn't want to be a bad guy anymore. But when nobody's looking, he slips a strange frog into the air duct. What happens when this frog grows into a grotesque, alien creature that threatens to destroy Motherboard? And what will happen to the kids when they go inside Motherboard to track it down?

Repeat Broadcasts:

  • KQED Kids: Sun, Nov 9, 2014 -- 4:00 AM
  • KQED Kids: Tue, Nov 4, 2014 -- 4:00 AM

The Flying Parallinis (Episode #506)

KQED Kids: Sun, Nov 2, 2014 -- 10:00 PM

When Hacker strands Jackie atop Mount Wayupthere, the rest of the CyberSquad has to act fast to save her. In their search for the elusive Diamond Joe - the mysterious figure who holds the secret to Jackie's release - the CyberSquad meets spunky TW, a young Parallini who agrees to help them. Can they discover the power of parallelograms in time to launch a daring rescue mission?

Repeat Broadcasts:

  • KQED Kids: Mon, Nov 3, 2014 -- 4:00 AM

Send in the Clones (Episode #119)

KQED Kids: Sat, Nov 1, 2014 -- 10:00 PM

(topic: Multiplication) - Hacker's plan to clone himself so he can wreak havoc throughout cyberspace in many places at once, goes haywire when his newly invented Clonitron clones Delete instead of himself. But Hacker takes advantage of the mishap by sending the Delete clones to takeover the R-Fair City cybersite. To complicate matters, every time Delete sneezes - his clones multiply even more. As the problem escalates, the kids do the math to keep track of the number of clones as they increase. Meanwhile, Cy Clone, a famous clone catcher sent to the site by Motherboard, vacuums up the clones - while Digit tries to get the Clonitron away from Hacker. The Big Idea: Multiplication is just repeated addition. If you're having trouble multiplying, you can always add to find your answer.

Repeat Broadcasts:

  • KQED Kids: Sun, Nov 2, 2014 -- 4:00 AM

Trick Or Treat (Episode #214)

KQED Kids: Sat, Nov 1, 2014 -- 4:00 AM

Hacker shows up at Motherboard Control Central. He pleads guilty to being the King of Chaos, but says he's sorry. He doesn't want to be a bad guy anymore. But when nobody's looking, he slips a strange frog into the air duct. What happens when this frog grows into a grotesque, alien creature that threatens to destroy Motherboard? And what will happen to the kids when they go inside Motherboard to track it down?

Repeat Broadcasts:

  • KQED Kids: Sun, Nov 9, 2014 -- 4:00 AM
  • KQED Kids: Tue, Nov 4, 2014 -- 4:00 AM
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To view previous issues and how they were resolved, go to our TV Technical Issues page.

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