The BEST Episodes of Cyberchase

Every episode ever - ranked by fan votes!

Last Updated: Dec 4, 2021

Network: PBS

Three kids, Jackie, Matt, Inez, and their bird friend Digit, must save cyberspace from the evil Hacker with the use of strategy and math skills.

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Size Me Up

#1 - Size Me Up

Season 1 - Episode 24 - Aired Jul 24, 2002

When the kids are stranded on a giant island,they must get out to stop Hacker from sending an e-mail to Motherboard that contains a virus.

star 13.00
2 votes
Lost My Marbles

#2 - Lost My Marbles

Season 1 - Episode 1 - Aired Jan 21, 2002

An evildoer named Hacker kidnaps Dr. Marbles to a remote island and downloads a virus into Motherboard, so 3 kids from the real world called Inez, Matt, and Jackie must find Dr. Marbles.

star 7.92
13 votes
Going Solar

#3 - Going Solar

Season 9 - Episode 2 - Aired Nov 5, 2013

star 7.50
2 votes

#4 - Castleblanca

Season 1 - Episode 2 - Aired Jan 22, 2002

Hacker kidnaps Dr.Marbles once again to download his brain into his new robot henchman,Gigabyte.

star 7.38
8 votes
Fit to Be Heroes

#5 - Fit to Be Heroes

Season 10 - Episode 1 - Aired Nov 9, 2015

The CyberSquad and their new friend Scanner embark on a quest to build a new Encryptor Chip for Motherboard and cure her virus. With Hacker in hot pursuit, the kids must run, ski, canoe and climb their way to the end of the mission.

star 7.20
10 votes
R-Fair City

#6 - R-Fair City

Season 1 - Episode 3 - Aired Jan 23, 2002

Digit arrives in R-Fair City ready to seek out Madame N. Cognita, who invited him vacation there. Only after she's used a crooked fairway game to trick him into a cage does he realize that she is Hacker in disguise. The kids, having been sent to rescue him, know only that he is in danger and that Motherboard has said something about unfair games. When a coin toss wins them a free ride from a cab driver named ""Lucky"", they take advantage of the opportunity to explore the city with a local. Lucky teaches them how to recognize a fair game--one in which everyone's chances of winning are the same--and leads them from site to site to test the games out. She explains that a rumor has been circulating that there are unfair games in R-Fair City, and that as a result fewer and fewer people have been coming to play. The kids think about why someone would want to make people doubt R-Fair City's games, and decide the resulting chaos sounds like something Hacker would orchestrate. Meanwhile, Buzz an

star 6.75
4 votes
Clock Like An Egyptian

#7 - Clock Like An Egyptian

Season 1 - Episode 9 - Aired Jan 31, 2002

The Incriptor Chip has fallen into a pyramid in the desert and Dr. Marbles was getting it, until he was imprisoned. The kids were called upon by Motherboard to go in and get Marbles and the chip. Unfortonatly, they have to get out before the gate of the pyramid has closed, locking them in for eternity. The gate drops down as the water drips from two cylinders. The kids find out there are 15 rings of water left and each ring drops out each minute, meaning they have about 15 minutes to go in and out. Matt's watch is broken and Jackie might sneeze again and lose count of time. However, they find an artifact moving at the same pace as the water cylinder, and then use a bunch of rubies and an even distributor to know how many seconds have passed and a ring and stick to know how many minutes they have left.

star 6.67
3 votes
Directors: Larry Jacobs
Writers: George Arthur Bloom, Sheila Head
A Recipe for Chaos

#8 - A Recipe for Chaos

Season 10 - Episode 2 - Aired Nov 10, 2015

The CyberSquad discovers a popular new restaurant in Castleblanca is serving unhealthy food and Hacker is behind it all. To get Hacker to stop making his unhealthy food, Digit challenges him to a cook-off.

star 6.67
3 votes
Composting in the Clutch

#9 - Composting in the Clutch

Season 12 - Episode 10 - Aired May 8, 2020

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?

star 6.67
3 votes
Sensible Flats

#10 - Sensible Flats

Season 1 - Episode 5 - Aired Jan 25, 2002

Hacker goes to jail for going to Sensible Flats and taking more land than ""Judge Trudy"" allows. Surprisingly, the kids want to bail him exchange for Motherboard's antidote.

star 6.50
2 votes
Zeus on the Loose

#11 - Zeus on the Loose

Season 1 - Episode 6 - Aired Jan 28, 2002

A cybersite is full of Greek mythology the kids have to go through to get a second chance from Zeus to get Pandora's Box from Hacker. For Real: Matt has his would-be girlfriend, Jennifer, coming over and he makes lemonade, only to have it lower in the glasses as more guests come over.

star 6.50
2 votes
Directors: Larry Jacobs
The Poddleville Case

#12 - The Poddleville Case

Season 1 - Episode 7 - Aired Jan 29, 2002

Buzz and Delete steal power pods in Poddleville, making the town lose most of its power. The way to stop them? By using number patterns.

star 6.50
2 votes
And They Counted Happily Ever After

#13 - And They Counted Happily Ever After

Season 1 - Episode 8 - Aired Jan 30, 2002

Hacker goes to the happily ever after site and steals the town's king in order for a ransom of golden eggs.

star 6.50
2 votes
A Day at the Spa

#14 - A Day at the Spa

Season 1 - Episode 11 - Aired Feb 4, 2002

Hacker finds the Crystal of Calimar in order to be unstoppable. Feeling superior, the evildoer goes to a spa while the kids visit the northern frontier to give the crystal to Motherboard.

star 6.50
2 votes
Cool It

#15 - Cool It

Season 1 - Episode 14 - Aired Feb 7, 2002

Buzz and Delete, posing as a delivery person, replace Motherboard's cryoxide with green sludge. When Digit arrives she is overheated and getting worse fast. He discovers the goop where the coolant should be and when the kids arrive tells them that if Motherboard doesn't get fresh cryoxide soon her CPU will melt. They find a container a little taller and almost as wide as the coolant tank, and Matt and Inez leave with it in Dr. Marbles' new 2-seater cybercoupe. Jackie stays to help Digit look after Motherboard, wearing one of the helmets Matt brought with him from batting practice to protect herself from the debris flying out of Motherboard's circuits as they heat up. When the coupe lands at Blue Falls Castle, Matt and Inez find the door guarded by the gnome they met on their previous visit to Castleblanca. They don't notice Buzz and Delete crash-landing in the moat, having been sent by the Hacker to ensure they don't succeed in saving Motherboard. To their surprise, Sams, the tw

star 6.50
2 votes
A Broom Of One's Own

#16 - A Broom Of One's Own

Season 4 - Episode 9 - Aired Oct 6, 2005

When Wicked puts a CyberSquad Seal of Approval on her new "Wickedy Brooms," it's up to Matt, Jackie, Inez and Digit to make sure the brooms are as good as Wicked claims. They try them out, figuring out their speed, time, and distance of their brooms.

star 6.50
2 votes
Peace, Love, and Hackerness

#17 - Peace, Love, and Hackerness

Season 8 - Episode 3 - Aired Jul 9, 2010

Hacker sets out to boost his bad-guy reputation by blasting the antenna off Far Out Radio. It triggers a chain reaction, however, that could mean the end of Cyberspace.

star 6.50
2 votes

#18 - Hackerized!

Season 8 - Episode 4 - Aired Jul 16, 2010

Someone has hacked Sensible Flats so that everyone looks and acts like Hacker. The real Hacker tries to find out who did it while the CyberSquad seeks to save the town. To do so, though, they must scale a rocky cliff in less than three minutes.

star 6.50
2 votes
Escape From Merlin's Maze

#19 - Escape From Merlin's Maze

Season 6 - Episode 4 - Aired Feb 20, 2008

Hacker traps Shari in Merlin's Maze and the kids try to rescue her by using levers to move stone slabs that are surrounding her.

star 6.50
2 votes
Step By Step

#20 - Step By Step

Season 6 - Episode 5 - Aired Feb 21, 2008

Hacker traps Dr. Marbles on Skull Island, so the kids try a daring rescue that includes building a bridge over water infested with electric eels.

star 6.50
2 votes
Chaos as Usual

#21 - Chaos as Usual

Season 6 - Episode 9 - Aired Apr 11, 2008

The kids search for patterns in player performance to help defeat Hacker's team of titans.

star 6.50
2 votes
Inside Hacker

#22 - Inside Hacker

Season 5 - Episode 8 - Aired Apr 18, 2007

Matt gets shrunk to go inside Hacker to insert a new memory chip, but the plan hits a snag and his pals must program a robot to rescue him.

star 6.50
2 votes
Parks and Recreation

#23 - Parks and Recreation

Season 10 - Episode 4 - Aired Nov 12, 2015

Kids in glamorous Gollywood have no safe place to play. They discover an empty lot that can be converted to a park, but Hacker wants the lot for his new Gollywood Tower. When the CyberSquad learns Hacker is planning to use the tower to corrupt Motherboard’s hard drive, they go up against him at a city council hearing.

star 6.50
2 votes
Bottled Up

#24 - Bottled Up

Season 10 - Episode 5 - Aired Nov 13, 2015

Radsters are an active bunch, but they have a big problem: water bottles. Way Cool Arena has been turned into a bottle dump, and the beloved skate park is next! The kids and Slider must find a way to get rid of the heaps of empties and reduce future waste while making sure Radsters stay healthy.

star 6.50
2 votes
Watts of Halloween Trouble

#25 - Watts of Halloween Trouble

Season 11 - Episode 1 - Aired Oct 23, 2017

star 6.50
2 votes