14 - The Unknown

13 - The Change

12.5 - The Andalite Chronicles

12 - The Reaction

11 - The Forgotten

10 - The Android

9 - The Secret

8 - The Alien

7.5 - Megamorphs 1

7 - The Stranger

6 - The Capture

5 - The Predator

4 - The Message

3 - The Encounter

2 - The Visitor

1 - The Invasion