Season 4
(2007)
Overview
Jeremy and Aelita must rebuild a new Lyoko to replace the one XANA maliciously destroyed at the end of the third season.
Cast
as Jeremie Belpois (voix) / Odd della Robbia (voix)
as Yumi Ishiyama (voix)
as Ulrich Stern (voix)
as Aelita Schaeffer (voix)
as William Dunbar (voix)
as Sissi Delmas (voix)
Episodes
William Returns 9.0
August 13, 2007
Using the data that Franz Hopper gave them, Jeremie and Aelita succeed in recreating Lyoko, which now holds only Sector…
Double Take 9.0
August 14, 2007
In order to compensate for all of William, while under XANA's control, Jeremie sets to work designing new equipment for…
Opening Act 9.0
August 30, 2007
Jim's nephew, Chris, the drummer of the Subdigitals, pays a visit to Kadic to look for an opening act for the band's ne…
Wreck Room 10.0
August 15, 2007
There is a new recreation room at Kadic and William's clone is put in charge of it. Meanwhile, Jeremy has developed a p…
Skidbladnir 9.0
August 16, 2007
The new virtual, submersible "submarine" (as Jeremy calls it) is almost complete, the last step being a secondary progr…
Maiden Voyage 9.0
August 17, 2007
The gang manages to convince Jeremy to let them test out the Skid. During this test, the navigation system bugs up, lea…
Crash Course 9.0
August 20, 2007
Jeremy decides to teach Odd, Ulrich, and Yumi how to use the Supercomputer in case he or Aelita are unable to, being X.…
Replika 9.0
August 21, 2007
The group travels to one of X.A.N.A.'s replica sectors in the Digital Sea. Meanwhile, Aelita and Odd get into a fight a…
I'd Rather Not Talk About It 9.0
August 22, 2007
The group turns to Jim for training, so they can be better prepared to fight against X.A.N.A.. However, things go bad w…
Hot Shower 9.0
August 23, 2007
When a comet passes near Earth, X.A.N.A. uses a laser-equipped military satellite to split it into chunks, simultaneous…
The Lake 9.0
August 24, 2007
Jeremy, Aelita, Ulrich, and Odd go with the rest of their science class on a field trip to an island in the middle of a…
Lost at Sea 10.0
August 27, 2007
Hiroki steals Yumi's diary and Ulrich finds it. Meanwhile, in a new attempt to free William from X.A.N.A.'s evil clutch…
Lab Rat 9.0
August 28, 2007
Jeremie has perfected his "Teleportation" process, allowing him to send his friends to the location of Xana's supercomp…
Bragging Rights 9.0
August 29, 2007
Having failed to destroy X.A.N.A.'s supercomputer in the Amazon, the group sets out to finish the job. Meanwhile, Odd's…
Dog Day Afternoon 9.0
August 29, 2007
Odd tries to take Kiwi to Lyoko, but ends up absorbing him instead. As a result, Odd slowly begins to take on dog trait…
A Lack of Goodwill 9.0
August 30, 2007
Jeremy has developed a program to make the William clone smarter, but the learning curve is still problematic, as it tr…
Distant Memory 9.0
August 31, 2007
It's holiday time at Kadic and everyone is headed home. Aelita, however, has no home to go to. As she watches over Lyok…
Hard Luck 9.0
September 8, 2007
When Odd breaks a mirror, a little bad luck follows and jinxes him everywhere, even on Lyoko. A bug in his virtual avat…
Guided Missile 9.0
September 15, 2007
Jeremy wins a contest to take a flight in an armed fighter jet, even though it is Odd who entered him into the contest.…
Kadic Bombshell 9.0
September 22, 2007
When Sissi's pen pal from Iceland, Brynja Heringsdötir, arrives at the school, all the boys swoon over her, making Siss…
Canine Conundrum 9.0
September 29, 2007
When Kiwi's mindless destruction becomes too much for the group to bear, they force Odd to keep him at the factory. As …
A Space Oddity 10.0
October 6, 2007
Because of a surprise dorm inspection, Odd has to convince Yumi to keep Kiwi at her house. Jeremie, meanwhile, has loca…
Cousins Once Removed 9.0
October 13, 2007
Jeremie's cousin, Patrick, comes to visit. Jeremie isn't entirely happy about it, since Patrick is "super cool" compare…
Music to Soothe The Savage Beast 9.0
October 20, 2007
Aelita's first concert with the Subdigitals is coming up, but Aelita's stage fright threatens to get the better of her.…
Wrong Exposure 9.0
October 27, 2007
Aelita finds a photo of herself with Franz Hopper at the Hermitage, with a mathematical equation in the background. Jer…
Bad Connection 10.0
November 3, 2007
Odd is presenting one of his films, but is unhappy because his parents are coming. According to him, they never find fa…
Cold Sweat 10.0
November 3, 2007
When an embarrassing picture of Yumi is printed in the Kadic newspaper, she turns to Odd as the source. He manages to g…
Down to Earth 10.0
November 3, 2007
In order to defeat XANA, whom they have vastly underestimated, Jeremie plans to design another multi-agent system to co…
Fight to the Finish 10.0
November 10, 2007
With the Skid gone and XANA's Replikas at unmanageable numbers, Jeremie continues work on his multi-agent system. Meanw…
Echoes 10.0
November 10, 2007
With their mission completed, the group looks back on all their fond memories of Lyoko. Sissi, meanwhile, plants a trac…