Power Rangers Dino Thunder is the 13th season of the Power Ranger series. Former Power Ranger Tommy Oliver now has a PhD, and takes a teaching job in Reefside at Reefside High School. One day he must watch after three students for detention, and they eventually stumble upon the Dino Gems and become the Dino Rangers. Dr. Tommy Oliver also joins the team as a Ranger later on to help prevent Mesogog and his evil forces from changing the current world into the prehistoric era.
| Episode Number | Episode Title | Air Date | PR Episode |
|---|---|---|---|
| 1. | Day of the Dino, Part I | 02/14/04 | 497 |
| 2. | Day of the Dino, Part I | 02/14/04 | 498 |
| 3. | Wave Goodbye | 02/21/04 | 499 |
| 4. | Legacy of Power | 02/28/04 | 500 |
| 5. | Back in Black | 03/06/04 | 501 |
| 6. | Diva in Distress | 03/13/04 | 502 |
| 7. | Game On | 03/20/04 | 503 |
| 8. | Golden Boy | 03/27/04 | 504 |
| 9. | Beneath the Surface | 04/03/04 | 505 |
| 10. | Ocean Alert | 04/10/04 | 506 |
| 11. | White Thunder, Part I | 04/17/04 | 507 |
| 12. | White Thunder, Part II | 04/24/04 | 508 |
| 13. | White Thunder, Part III | 05/01/04 | 509 |
| 14. | Truth and Consequences | 05/08/04 | 510 |
| 15. | Leader of the Whack | 05/15/04 | 511 |
| 16. | Burning at Both Ends | 05/22/04 | 512 |
| 17. | The Missing Bone | 05/22/04 | 513 |
| 18. | Bully For Ethan | 06/12/04 | 514 |
| 19. | Lost & Found in Translation | 06/13/04 | 515 |
| 20. | It's a Mad, Mad Mackerel | 06/19/04 | 516 |
| 21. | Copy That | 07/10/04 | 517 |
| 22. | Triassic Triumph | 07/17/04 | 518 |
| 23. | A Star is Torn | 07/24/04 | 519 |
| 24. | A Ranger Exclusive | 07/31/04 | 520 |
| 25. | Tutenhawken's Curse | 08/07/04 | 521 |
| 26. | Disappearing Act | 08/21/04 | 522 |
| 27. | Fighting Spirit | 08/28/04 | 523 |
| 28. | The Passion of Conner | 09/05/04 | 524 |
| 29. | Isn't it Lava-ly | 09/18/04 | 525 |
| 30. | Strange Relations | 09/25/04 | 526 |
| 31. | Thunder Storm, Part I | 10/02/04 | 527 |
| 32. | Thunder Storm, Part II | 10/09/04 | 528 |
| 33. | In Your Dreams | 10/16/04 | 529 |
| 34. | Drawn Into Danger | 10/23/04 | 530 |
| 35. | House of Cards | 10/30/04 | 531 |
| 36. | A Test of Trust | 11/06/04 | 532 |
| 37. | Thunder Struck, Part I | 11/13/04 | 533 |
| 38. | Thunder Struck, Part II | 11/20/04 | 534 |