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Tip-Top Shape is the twenty-first episode of Season 2 and the forty-seventh episode of Code Lyoko.


It's time for class physicals for the eighth graders of Kadic Academy. The various students in the Administrative Building are discussing their various problems, such as Herb's acne, Julien's near-nearsightedness, or Odd's scrawniness. Julien is trying to memorize the eye chart to avoid having to wear glasses. Odd still refers to himself as svelte. Sissi talks to Ulrich about how her medical record is perfect but he's not interested to know that. Jeremie is talking to Aelita about her lack of any medical records or vaccinations. He is worried that the nurse will learn that she is not completely human. She is, however, sure everything will be fine, saying that Jeremie seems to find her human enough. Yolanda, the nurse, calls in Jeremie, Julien, and Odd to start off.

In the infirmary, the nurse does little more than confirm what each already knew. Odd is indeed scrawny and Julien is not only near-sighted, but has a bad memory on top of it as he forgot all the letters he has been learning. Aelita and Sissi are next. Sissi finds out that she's five pounds overweight, not that she'll accept it as true, but rather that the weighing scale is broken. Aelita apologizes for not bringing her medical record, which Yolanda assures her it won't be a problem since she will write her results on a separate piece of paper and she can attach it to her medical record.

Meanwhile, X.A.N.A. activates a tower in the Forest Sector and Jeremie's laptop alerts him immediately. He tells Ulrich to wait for Aelita while he and Odd head to the factory. After Jeremie calls Yumi about the alert, she sneaks and sprints away from her gym class. Yolanda is X.A.N.A.'s target and is possessed by X.A.N.A.'s ghost. A scream from Sissi alerts Ulrich to this, but Yolanda has already left with an unconscious Aelita.

At the Factory, Jeremie is informed of Yolanda's possession by Ulrich. He locks down the elevator in an attempt to slow her down, which won't last very long. Seeing as how they cannot deactivate the tower without Aelita, Jeremie has a new idea to try out. He is going to make his own ghost possess one of his friends by activating the tower. That way, they can fight the X.A.N.A.-possessed Yolanda on equal terms.

On the factory floor, Yolanda arrives with Aelita. She finds the elevator disabled and heads for the access corridor. Ulrich shows up to slow her down. X.A.N.A.'s victims always get stronger and more powerful with each possession, and today, unfortunately for Ulrich, is no exception. Yolanda has the incredibly strong ability to form bright yellow-colored orbs of electrical energy to attack her enemies with. Ulrich is not much of a match for the continuous attacks.

Back in the lab, Jeremie starts his test by activating his first tower in the Mountain Sector. His activated tower is green instead of red like X.A.N.A.'s. He then uses his own ghost to possess Odd. Unlike X.A.N.A.'s victims, Odd is in complete control and has free will.

Back on the factory floor, Aelita manages to get away from Yolanda. She's trapped at the entrance to the corridor. Yolanda eventually knocks out Ulrich and heads back to get Aelita. As she does this, Odd comes out from the corridor and attacks her. Both are evenly matched. Odd plays for time while Aelita and Ulrich escape.

In the depths of the Factory, Yolanda and Odd fight to see who is better. Odd seems to do better at first, using the newfound abilities he just got, as if he had always had them. Yolanda is eventually sent into the water by an unusually strong and powerful orbicular bright yellow-colored energy blast from Odd.

Aelita, Ulrich, and Yumi are sent to Lyoko's Forest Sector. Once they arrive, they head for the tower on their trademark vehicles. Along the way, they encounter a couple of Krabs. Ulrich slices one down the middle and Yumi takes care of the other. A Kankrelat shows up to attack Ulrich and lands a hit on his arm. However, it is destroyed just as quickly.

Back in the factory, Odd starts to slowly lose his energy orb/sphere-generating abilities and powers. He calls Jeremie to find out why. Jeremie is not quite sure, but not too surprised either. As Odd continues fighting, Jeremie loses control of the tower he activated to X.A.N.A.. The effects translate to Odd, who loses all of his powers from the possession. Instead of controlling Odd, X.A.N.A. is just going to pump all of his life-force energy until the process kills him. Powerless, Odd is forced to flee, losing his cell phone to Yolanda along the way.

On Lyoko, the group is informed of Odd's situation. Aelita and Yumi head to the Mountain Sector while Ulrich stays behind to take care of the monsters in the Forest Sector. A Krab arrives, but it is easily destroyed by Ulrich. Three more Kankrelats arrive to join the fight. Ulrich uses his Overbike to wipe out all three in a single hit.

In the Mountain Sector, X.A.N.A. has made the entire Sector invisible. All that can be seen is the thick fog that shrouded the sector and Aelita points that X.A.N.A. has already pulled such a trick before. Similarly, his monsters are protected by the same effect. An unknown number of Hornets take out Yumi's Overwing, causing both her and Aelita to plummet. Guided by Jeremie, they're able to catch a ledge. He continues to guide them across the unseen landscape while they remain cautious on placing every step. Eventually, after walking around the mountain they get close to the tower. This is when the invisible Hornets come back for round two. Yumi covers Aelita as she heads to the tower. The Hornets manage to force Yumi off the edge, but she grabs on just before falling.

Back in the factory, Odd is eventually knocked out by Yolanda. Knowing that he'll die anyway, she heads back to the corridor. Aelita manages to deactivate the tower just before he dies.

Back on Lyoko, the landscape and monsters reappear. It turns out there was ground under Yumi the whole time and the ledge she grabbed was only a bit higher evelated platform. The two Hornets, now visible, are destroyed by her fan. Jeremie brings up the Overboard and the girls head back to the first tower.

In the Forest Sector, Ulrich has triplicated himself and is dealing with a Blok, a Krab, and three Kankrelats. The Blok is the first to go, and then the Krab goes next. Alone, the three Kankrelats are no match for Ulrich. His two clones take out two in a flash. They torture the third by kicking it into the air before destroying it. Aelita and Yumi arrive as he fuses himself into one person again. When Yumi asks where the monsters went, Ulrich just asks "What monsters?"

Back in the lab, Yolanda arrives to cause trouble. Odd arrives, too, but isn't any match for her. Both Jeremie and Odd are about to get blasted when Aelita deactivates the tower. Yolanda's possession subsides and she collapses.

Back at the school, Sissi is trying to explain what happened, making sure to include the weird stuff in her story. Neither her father nor Jim believe her. The whole story reminds Jim of when he used to work in a psychiatric hospital. As always, he'd rather not talk about it. The others show up with Yolanda so Sissi doesn't seem quite as crazy. Yolanda remembers nothing and believes Aelita's story of how she went out to get some air through the window.

As the others walk out of the infirmary, Sissi demands an explanation. Jeremie wards her off by commenting on her extra five pounds. Sissi is still in denial about it. Odd tries to tell her that no one's perfect, to which she responds by pointing out his scrawniness. Odd still insists he's svelte, ending the episode as he gets a good laugh from the others.


  • The original French name for this episode is Au meilleur de sa forme.
  • This was originally episode 48 chronologically during the scripting phase.[1]
  • This episode chronologically takes place after the events of Temptation. However, it aired weeks before.
  • This is the first episode in which a green tower is depicted on the title card.
  • Yumi sets the school record for the 100-meter sprint with a time of 14.35 seconds in this episode.
  • This is the first episode where someone other than X.A.N.A. activated a tower. In this case, it was Jeremie.
  • This episode strangely implies that either Jeremie is stronger than X.A.N.A., or anyone who has been to Lyoko several times can deem immune to possession can be possessed if they have consented to be.
    • Additionally, Odd retains his memories after being possessed; another feature unique to Jeremie's program.
  • This episode marks the only time in which the Jeremification program is ever used and mentioned.
  • This is the first episode where Aelita deactivates two towers without a return to the past.
  • When Yumi rides the Overboard, she rides it naturally. Surprisingly in A Fine Mess after a bug in the materialization program causes her and Odd to switch bodies, she's riding the Overboard like a magic flying carpet.
  • The tower activated by Jeremie in this episode was later activated by X.A.N.A. in Sabotage.


  • An animation error is made during Odd's physical exam scene; it is shown that he has removed his shirt, but kept his purple pants. However, after stating he is "not scrawny" (I am svelte!) and walks away, you can see him in his orange pajama/boxer shorts.
  • Yumi is shown to be wearing her regular attire when she is in the factory. However, she was wearing her gym clothes when she snuck away from her class, and there is no way she could've changed out of her gym clothes before arriving at the factory.