Total: 121 Episode
Season 1 (26 Episode)
1. Teddygozilla
2. Seeing Is Believing
3. Holiday in the Fog
4. Log Book
5. Big Bug
6. Cruel Dilemma
7. Image Problem
8. End of Take
9. Satellite
10. The Girl of the Dreams
11. Plagued
12. Swarming Attack
13. Just in Time
14. The Trap
15. Laughing Fit
16. Claustrophobia
17. Amnesia
18. Killer Music
19. Frontier
20. The Robots
21. Zero Gravity Zone
22. Routine
23. Rock Bottom?
24. Ghost Channel
25. Code: Earth
26. False Start
1. Teddygozilla
2. Seeing Is Believing
3. Holiday in the Fog
4. Log Book
5. Big Bug
6. Cruel Dilemma
7. Image Problem
8. End of Take
9. Satellite
10. The Girl of the Dreams
11. Plagued
12. Swarming Attack
13. Just in Time
14. The Trap
15. Laughing Fit
16. Claustrophobia
17. Amnesia
18. Killer Music
19. Frontier
20. The Robots
21. Zero Gravity Zone
22. Routine
23. Rock Bottom?
24. Ghost Channel
25. Code: Earth
26. False Start
Season 2 (26 Episode)
27. New Order
28. Unchartered Territory
29. Exploration
30. A Great Day
31. Mister Pück
32. Saint Valentine's Day
33. Final Mix34. Missing Link
35. The Chips Are Down
36. Marabounta
37. Common Interest
38. Temptation
39. A Bad Turn
40. Attack of the Zombies
41. Ultimatum
42. A Fine Mess
43. X.A.N.A.'s Kiss
44. Vertigo
45. Cold War
46. Déjà Vu
47. Tip-Top Shape
48. Is Anybody Out There?
49. Franz Hopper
50. Contact
51. Revelation
52. The Key
28. Unchartered Territory
29. Exploration
30. A Great Day
31. Mister Pück
32. Saint Valentine's Day
33. Final Mix34. Missing Link
35. The Chips Are Down
36. Marabounta
37. Common Interest
38. Temptation
39. A Bad Turn
40. Attack of the Zombies
41. Ultimatum
42. A Fine Mess
43. X.A.N.A.'s Kiss
44. Vertigo
45. Cold War
46. Déjà Vu
47. Tip-Top Shape
48. Is Anybody Out There?
49. Franz Hopper
50. Contact
51. Revelation
52. The Key
Prequel (2006)
Season 3, Episode 14 X.A.N.A. Awakens Part 1
Season 3, Episode 15 X.A.N.A. Awakens Part 2
Season 3 (13 Episode)
Season 3, Episode 15 X.A.N.A. Awakens Part 2
Season 3 (13 Episode)
53. Straight to Heart
54. Lyoko Minus
55. Tidal Wave
56. False Lead
57. Aelita
58. The Pretender
59. The Secret
60. Temporary Insanity
61. Sabotage
62. Nobody in Particular
63. Triple Trouble
64. Double Trouble
65. Final Round
54. Lyoko Minus
55. Tidal Wave
56. False Lead
57. Aelita
58. The Pretender
59. The Secret
60. Temporary Insanity
61. Sabotage
62. Nobody in Particular
63. Triple Trouble
64. Double Trouble
65. Final Round
Season 4 (30 Episode)
66. William Returns
67. Double Take
68. Opening Act
69. Wreck Room
70. Skidbladnir
71. Maiden Voyage
72. Crash Course
73. Replika
74. I'd Rather Not Talk About It
75. Hot Shower
76. The Lake
77. Lost At Sea
78. Lab Rat
79. Bragging Rights
80. Dog Day Afternoon
81. A Lack of Goodwill
82. Distant Memory
83. Hard Luck
84. Guided Missile
85. Kadic Bombshell
86. Canine Conundrum
87. A Space Oddity
88. Cousins Once Removed
89. Music To Soothe the Savage Beast
90. Wrong Exposure
91. Bad Connection
92. Cold Sweat
93. Down to Earth
94. Fight to the Finish
95. Echoes
Code Lyoko Evolution (26 Episode)
96. X.A.N.A. 2.0
97. Cortex
98. Spectromania
99. Mrs. Einstein
100. Rivalry
101. Suspicions
102. Countdown
103. Virus
104. How to Fool X.A.N.A.
105. The Warrior Awakens
106. Rendezvous
107. Chaos at Kadic
108. Friday the 13th
109. Intrusion
110. The Codeless
111. Confusion
112. An Assured Professional Future
113. Obstinacy
114. The Trap
115. Espionage
116. False Pretenses
117. Mutiny
118. Jeremy's Blues
119. Temporal Paradox
120. Massacre
121. Ultimate Mission
96. X.A.N.A. 2.0
97. Cortex
98. Spectromania
99. Mrs. Einstein
100. Rivalry
101. Suspicions
102. Countdown
103. Virus
104. How to Fool X.A.N.A.
105. The Warrior Awakens
106. Rendezvous
107. Chaos at Kadic
108. Friday the 13th
109. Intrusion
110. The Codeless
111. Confusion
112. An Assured Professional Future
113. Obstinacy
114. The Trap
115. Espionage
116. False Pretenses
117. Mutiny
118. Jeremy's Blues
119. Temporal Paradox
120. Massacre
121. Ultimate Mission