4. Sezon
Görseller
| # | Görsel | Başlık | Yayınlandı |
|---|---|---|---|
| 1 |  | Return to Thundera! (1) | 4 Eyl 1989 |
| 2 |  | Return to Thundera! (2) | 5 Eyl 1989 |
| 3 |  | Return to Thundera! (3) | 6 Eyl 1989 |
| 4 |  | Return to Thundera! (4) | 7 Eyl 1989 |
| 5 |  | Return to Thundera! (5) | 8 Eyl 1989 |
| 6 |  | Leah | 11 Eyl 1989 |
| 7 |  | Frogman | 12 Eyl 1989 |
| 8 |  | The Heritage | 13 Eyl 1989 |
| 9 |  | Screwloose | 14 Eyl 1989 |
| 10 |  | Malcar | 15 Eyl 1989 |
| 11 |  | Helpless Laughter | 18 Eyl 1989 |
| 12 |  | Cracker's Revenge | 19 Eyl 1989 |
| 13 |  | The Mossland Monster | 20 Eyl 1989 |
| 14 |  | Ma-Mutt's Confusion | 21 Eyl 1989 |
| 15 |  | Shadowmaster | 22 Eyl 1989 |
| 16 |  | Swan Song | 25 Eyl 1989 |
| 17 |  | Touch of Amortus | 26 Eyl 1989 |
| 18 |  | The Zaxx Factor | 27 Eyl 1989 |
| 19 |  | Well of Doubt | 28 Eyl 1989 |
| 20 |  | The Book of Omens | 29 Eyl 1989 |