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Mister Pück
Episode No. 31
Production No. 131
Air Date September 23, 2005
Sector Ice
XANA attack method Cause constant visions of nightmares of Aelita being Mister Puck (character) being chased by a wolf being possessed by XANA in her mind and possession of Jeremie to destroy the newly discovered diary of Franz Hopper

This article concerns the episode. For the character, see Mister Puck (character).

Mister Puck is the 31st episode of Code: LYOKO. It aired on September 23, 2005.


Aelita is having a nightmare of herself being Mister Puck (character) being chased by a wolf being possessed by XANA. The wolves catch up to him as Aelita wakes up. Jeremie suggests that they go back to the Hermitage. When they get there, Aelita has another vision. Again, the nightmare of the wolves returns. The vision guides Aelita to look behind a painting of a tree and there, she finds a small doll that looks like the elf. Even though she has seemingly never seen it before she knows it's name: Mister Puck. Aelita sees Emily looking like someone.

While examining Mister Puck at school, Sissi comes by and teases Aelita by taking the doll and throwing it around, causing a small key to fall out. Ulrich grabs the key and gives it to Jeremie, who finds out that it is the key to a railway locker. When they look inside the locker, they find Franz Hopper's diary on a set of CD's. Unfortunately, it is heavily encoded and will take a long time to decode.

Back at school the next day, XANA tries to posses Odd and Ulrich, but fails. They tell Jeremie about it and leave. Moments later, the ghost takes over Jeremie, who smashes the diaries. Later in gym class, the possessed Jeremie fake-twists his ankle. He asks if Aelita can take him to the infirmary. When they are out of sight he knocks Aelita out and kidnaps her. As Jeremie takes Aelita to the Factory, the others are informed of the situation and begin their pursuit. At the Factory, Ulrich, Yumi, and Odd fight off Jeremie and get Aelita away from him. Everyone goes down to the Lab, except for Odd, who is fighting Jeremie.

Unfortunately for Odd, Jeremie has XANA's powers, including the abilities to punch steel and the power to electrocute. Odd puts up a good fight, but it's hopeless. On Lyoko, Yumi and Ulrich fight off four Blocks in the Ice Barrier sector. Jeremie defeats Odd and heads down to the Lab, where he devirtualizes Yumi. Back in the Ice Barrier sector, one of the two remaining Blocks freezed Aelita's leg to stop her from fleeing, and the Scyphozoa appeared to steal her memory. Ulrich managed the destroyed the last two Blocks, and then saved Aelita by cutting the Scyphozoa's tentacles, forcing it to release her and retreat. Odd comes down to the Lab to continue the fight and tries to poke Jeremie's eyes with his fingers, but he remembers that Jeremie wears glasses. Yumi, devirtualized by Jeremie, comes up to the Lab and fights until Jeremie takes her out. Then Odd gets up and Jeremie grabs Odd by the wrist, shocking him until Aelita deactivates the tower.

Then XANA leaves Jeremie, who announces that he made copies of the diary before XANA destroyed them, and put them on the supercomputer, where the files are safe. Yumi theorizes that Jeremie was possessed by the ghost and Odd and Ulrich weren't because their experience of fighting on Lyoko made them immune. Jeremie goes to Lyoko, but after fighting a bunch of Megatanks, (but you never actually see him) he swears off going to Lyoko, preferring the Lab. Everyone gets a good laugh out of Jeremie's clothing on Lyoko (which we also don't get to see).

That night, Aelita is all tucked in bed and is fast asleep, holding Mister Puck. Sissi is in Aelita's Body.

Quotes Sissi: Come on, Mister Puck. Let's go for a walk in a garden. Aelita: Unneh.

Preceded by:
A Great Day
Code: LYOKO episode
September 23, 2005
Succeeded by:
Saint Valentine's Day

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