Episode 1
Aired Apr 17, 2005
Blue Monday
Renton Thurston leads a boring life for a 14-year-old boy until his compact drive starts to glow and a strange, beautiful girl crashes into his home.
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Episode 2
Aired Apr 24, 2005
Blue Sky Fish
As the military descends, Renton delivers his late father's invention to Eureka and unleashes Seven Swell, which is her craft's hidden power.
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Episode 3
Aired May 1, 2005
Motion Blue
With the military closing in on Gekkostate, Renton helps concoct a decoy and divert soldiers away from Gekko, the rebel group's aircraft.
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Episode 4
Aired May 8, 2005
Watermelon
While a military plan brews, Renton joins Gekkostate to be closer to Eureka and soon learns that a renegade's life isn't always exciting.
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Episode 5
Aired May 15, 2005
Vivid Bit
Renton joins two Gekkostate pilots for some fun and pilots a combat robot for the first time, after its real pilot has a little too much fun.
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Episode 6
Aired May 22, 2005
Childhood
Fun and games with the kids of Gekkostate wreak havoc for Renton and the ship. When it loses stealth power, he must fly a mission to save them all.
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Episode 7
Aired May 29, 2005
Absolute Defeat
Helping Renton to earn respect with his Gekkostate companions, they send him on a dangerous mission, which may not be what he suspects.
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Episode 8
Aired Jun 5, 2005
Glorious Brilliance
On errands with Eureka, Renton meets a Vodarac religion member who might be a friend or a suspected terrorist, and Gekkostate must uncover the truth.
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Episode 9
Aired Jun 12, 2005
Paper Moon Shine
The Gekko arrives at the holy land of the Vodarac.
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Episode 10
Aired Jun 19, 2005
Higher Than the Sun
A tectonic shift occurs on the other side of the planet.
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Episode 11
Aired Jun 26, 2005
Into the Nature
Eureka realizes that Nirvash's health is declining.
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Episode 12
Aired Jul 3, 2005
Acperience 1
The battle of opposing forces rages on as Renton, Eureka and an enemy pilot named Anemone are pulled inside the sphere and all share a strange dream.
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Episode 13
Aired Jul 10, 2005
The Beginning
Anemone and Eureka experience intense headaches.
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Episode 14
Aired Jul 17, 2005
Memory Band
The mystery surrounding Eureka's ailments become more curious.
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Episode 15
Aired Jul 24, 2005
Human Behavior
Renton visits his childhood home.
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Episode 16
Aired Jul 31, 2005
Opposite View
The members of the Gekkostate hide in a mine at an old archeological dig.
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Episode 17
Aired Aug 7, 2005
Sky Lock Gate
Renton and his Gekkostate companions hunt for creatures whose skin can repair the Gekko; Dewey briefs his unit on his secret plans.
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Episode 18
Aired Aug 21, 2005
Ill Communication
The caves are affecting Eureka's health, and Renton chats with a friendly miner who turns greedy when he spies Eureka's robot, the Nirvash typeZERO.
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Episode 19
Aired Aug 28, 2005
Acperience 2
Sickened and depressed by the mine, Eureka removes her robot's communication device, sending it deep into the tunnels, just as the military strikes.
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Episode 20
Aired Sep 4, 2005
Substance Abuse
Eureka is partially absorbed by a scub.
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Episode 21
Aired Sep 11, 2005
Runaway
The Vodarac priest that Holland rescued manages to remove the scub from Eureka's body, but the ordeal won't be without scars. Meanwhile, Renton tries to come to terms with the death and destruction he's caused since joining Gekkostate.
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Episode 22
Aired Sep 18, 2005
Crack Pot
Renton's journey leads him into the city where he visits two freelance mercenaries on their ship.
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Episode 23
Aired Sep 25, 2005
Differentia
Renton's new companions are Charles and Ray Beams, and his latest mission to save a Vodarac girl pits science against her family's religious beliefs.
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Episode 24
Aired Oct 2, 2005
Paradise Lost
Holland's wounds are treated; Eureka pleads with Nirvash's cockpit.
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Episode 25
Aired Oct 9, 2005
World's End Garden
Renton starts to return to Eureka.
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Episode 26
Aired Oct 16, 2005
Morning Glory
Holland's quest to find Renton hits a snag when the Gekko runs into a military fleet preparing to take on the ship.
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Episode 27
Aired Oct 23, 2005
Helter Skelter
Holland locks Renton, Eureka and the children in the brig; the Gekko prepares for an attack.
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Episode 28
Aired Oct 30, 2005
Memento Mori
A death in the battle between the Swan and the Gekko has major psychological consequences.
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Episode 29
Aired Nov 6, 2005
Keep on Movin'
Lieutenant Dominic visits Bellforest and ends up spending a lot of time with the Thurstons.
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Episode 30
Aired Nov 13, 2005
Change of Life
Renton learns more information about the history of Eureka and the typeZERO.
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Episode 31
Aired Nov 20, 2005
Animal Attack
Dr Egan, a renowned researcher, thinks he knows what's wrong with the Nirvash; Dewey and one of the Sages discuss the future of the Coralians.
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Episode 32
Aired Nov 27, 2005
Start It Up
Renton's grandfather is put in charge of upgrades for the Nirvash just as an attack on the Coralians results in an all-out battle.
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Episode 33
Aired Dec 4, 2005
Pacific State
The Gekko lands in the midst of the ruined city; Holland and Talho have an important conversation that affects the entire future of Gekkostate.
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Episode 34
Aired Dec 11, 2005
Inner Flight
Holland reveals the truth about Norb and how he is connected to Eureka; Dewey and Norb discuss the future of the planet in the capital.
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Episode 35
Aired Dec 18, 2005
Astral Apache
Gekkostate attacks the capital in order to rescue Norb, but Eureka's unwillingness to take any more lives hinders the operation.
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Episode 36
Aired Dec 25, 2005
Fantasia
Feelings between Renton and Eureka grow and Holland reveals his personal connection to Renton's family, particularly, the boy's sister Diane.
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Episode 37
Aired Jan 8, 2006
Raise Your Hand
Norb and Dr. Bear discuss the Limit of Questions theory; Dewey makes a very public announcement about his plans for the future.
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Episode 38
Aired Jan 15, 2006
Date of Birth
A misunderstanding between Renton and Eureka leads to awkwardness for the rest of the Gekko's crew; Dewey continues his crusade against the Sage Council.
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Episode 39
Aired Jan 22, 2006
Join the Future
Gekko is refueling for the final leg of its journey; Dewey blames Coralians for the death of the two sages.
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Episode 40
Aired Jan 29, 2006
Cosmic Trigger
Gekkostate arrives at the shrine; Renton and Eureka must infiltrate the shrine; Dewey orders the deployment of military forces to the Great Wall.
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Episode 41
Aired Feb 5, 2006
Acperience 3
In the heart of the shrine, Eureka and Renton learn why communicating feelings is so important to Earth's future.
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Episode 42
Aired Feb 12, 2006
Star Dancer
After the Scub Coral's antibody form is unleashed, only the Nirvash, Eureka, Renton and the kids make it through the Wall onto a shining beach.
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Episode 43
Aired Feb 19, 2006
The Sunshine Underground
On an empty beach, Eureka and Renton realize they've reached the Promised Land: Earth; they are lost and without purpose, and then the change begins.
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Episode 44
Aired Feb 26, 2006
It's All in the Mind
While Holland recovers from battle, the Earthbound group tries to navigate unfamiliar terrain, find food, and understand Eureka's strange condition.
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Episode 45
Aired Mar 5, 2006
Don't You Want Me?
On the Gekko, two enemy soldiers have boarded to learn the truth from Gekkostate's scientist; on Earth, Eureka's transformation confounds everyone.
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Episode 46
Aired Mar 12, 2006
Planet Rock
Dewey has found the source of Scub Coral and plans to attack, while Holland and Gekkostate ready for war; Eureka's metamorphosis continues.
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Episode 47
Aired Mar 19, 2006
Acperience 4
Renton and his sister, Diane, are reunited at the Scub Coral Command Centre, where he learns of the Coralian's origins.
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Episode 48
Aired Mar 26, 2006
Ballet Mechanique
Dewey attacks the Command Centre, awakening all of the Scub Coral and triggering Earth's destruction, unless Eureka and Renton can save it.
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Episode 49
Aired Apr 2, 2006
Shout to the Top!
With Command Centre destroyed, Dewey sets deadly sights on Renton and Eureka; Eureka's transformation is clear: she is the new Command Centre.
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Episode 50
Aired Apr 2, 2006
Wish Upon a Star
Eureka's new form is poised to trigger the world's end; to save them, Renton must give into his love for her and agree to sacrifice his humanity.
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