| #2 |  The Discovery
| 3.8 |
| #3 |  The Invasion
| 3.81 |
| #4 |  The Visitor
| 3.86 |
| #5 |  The Encounter
| 4 |
| #6 |  The Message
| 3.53 |
| #7 |  The Predator
| 3.58 |
| #8 |  The Capture
| 4.06 |
| #9 |  The Stranger
| 4.03 |
| #10 |  The Andalite Chronicles
| 3.95 |
| #11 |  The Alien
| 3.75 |
| #12 |  The Secret
| 3.67 |
| #13 |  The Android
| 3.8 |
| #14 |  The Invasion
| 3.9 |
| #15 |  The Forgotten
| 3.71 |
| #16 |  The Reaction
| 3.71 |
| #18 |  The Change
| 3.88 |
| #19 |  The unknown
| 3.33 |
| #20 |  The Escape
| 3.71 |
| #21 |  The Warning
| 3.8 |
| #22 |  The Underground
| 3.33 |
| #23 |  The Decision
| 4.13 |
| #24 |  In the time of dinosaurs
| 4 |
| #25 |  The Departure
| 4.13 |
| #26 |  The Threat
| 3.8 |
| #27 |  The Solution
| 4.4 |
| #28 |  The Hork-Bajir Chronicles
| 4.2 |
| #29 |  The Pretender
| 4.5 |
| #30 |  The Suspicion
| 3.33 |
| #31 |  The Extreme
| 3 |
| #32 |  The Attack
| 3.5 |
