Code Lyoko
S02E15 Ultimatum
Title: Ultimatum Plot: When Xana takes control of the school principal and captures Odd and Yumi, he confronts Jeremie with a dire choice: hand over Aelita to the Scyphozoa or lose Odd and Yumi forever. In a desperate move, Jeremie and Aelita turn to Sissi for assistance. Surprisingly, Sissi consents to join their efforts, aiming to rescue her father and put an end to Xana's reign of terror.
Season 2 Episodes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
New Order
Uncharted Territory
Exploration
A Great Day
Mister Puck
Saint Valentine's Day
Final Mix
Missing Link
The Chips are Down
Marabounta
Common Interest
Temptation
A Bad Turn
Attack of the Zombies
Ultimatum
A Fine Mess
XANA's Kiss
Vertigo
Cold War
Déjà Vu
Tip-Top Shape
Is Anybody Out There?
Franz Hopper
Contact
Revelation
The Key