| # | Episode Summary - Diamond and Pearl |
| 470 | Following a Maiden's Voyage!
We meet Dawn of Twinleaf, who wishes to be a Coordinator like her mother, Johanna. When Dawn arrives at Rowan's lab to receive her starter, she learns that two of them have gone missing, and sets out to find them herself; she rescues Piplup from an Ariados' web and befriends it. After the pair see the Legendary Pokémon Mesprit at Lake Valor, Dawn chooses Piplup as her starter. Meanwhile, as Ash ferries to Sinnoh, Team Rocket tries to steal Pikachu, who ends up flying to parts unknown. |
| 471 | Two Degrees of Separation!
While attempting, and failing, to capture new wild Pokémon, Dawn and Piplup encounter Pikachu and help save the lost Pokémon from Team Rocket's pursues. Meanwhile, Ash and Aipom arrive in the Sinnoh region and learn from Professor Rowan that a girl has found Pikachu nearby. As they rush off to locate Dawn and Pikachu, Brock tracks them down and rejoins the party. Ash then captures his latest Pokémon, Starly, to help find Pikachu, but is unaware that somebody is watching... |
| 472 | When Pokémon Worlds Collide!
Paul, who observed Ash catch Starly, introduces himself, pointing out that Ash's Starly isn't strong enough. He challenges Ash to 3 vs. 3 battle, but Ash must reject. Soon, however, Ash and Dawn meet up and he is reunited with Pikachu. Paul then appears and rechallenges Ash; his Starly beats Ash's quite easily, but his Chimchar is beaten by Aipom's Focus Punch. The match is a draw when Elekid and Pikachu KO each other, but Paul releases Starly for being too weak anyway, angering Ash. |
| 473 | Dawn of a New Era!
When Dawn fails to catch Pokémon, she and Ash argue until calmed by a Budew's Sunny Day. Dawn battles Budew's trainer, Nando, but Piplup is outmatched. At the Pokémon Center, Joy explains that Nando can't decide on which Pokémon quest to pursue. Ash and Dawn fight some more until Nando and forest Pokémon's song calm them again. Budew evolves into Roselia while battling Pikachu, and Nando, loving his battles with Dawn and Ash, decides to become a Trainer and Coordinator. |
| 474 | Getting' Twiggy with It!
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| 475 | Different Strokes for Different Blokes!
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| 476 | Like it or Lup It!
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| 477 | Gymbaliar!
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| 478 | Setting the World on its Buneary!
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| 479 | Not on MY Watch Ya Don't!
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| 480 | Mounting a Coordinator Assault!
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| 481 | Arrival of a Rival!
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| 482 | A Staravia is Born!
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| 483 | Leave it to Brocko!
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| 484 | Shapes of Things to Come!
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| 485 | A Gruff Act to Follow!
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| 486 | Wild in the Streets!
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| 487 | O'er the Rampardos We Watched!
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| 488 | Twice Smitten, Once Shy!
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| 489 | Mutiny in the Bounty!
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| 490 | Ya See We Want an Evolution!
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| 491 | Borrowing on Bad Faith!
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| 492 | Faced with Steelix Determination!
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| 493 | Cooking Up a Sweet Story!
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| 494 | Oh Do You Know the Poffin Plan!
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| 495 | Getting the Pre-Contest Titters!
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| 496 | Settling a Not-So-Old Score!
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| 497 | Drifloon on the Wind!
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| 498 | The Champ Twins!
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| 499 | Some Enchanted Sweetening!
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| 500 | The Grass-Type is Always Greener!
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| 501 | An Angry Combeenation!
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| 502 | All Dressed Up with Somewhere to Go!
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| 503 | Buizel Your Way Out of This!
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| 504 | An Elite Meet and Greet!
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| 505 | A Secret Sphere of Influence!
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| 506 | The Grass Menagerie!
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| 507 | One Big Happiny Family!
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| 508 | Steamboat Willies!
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| 509 | Top-Down Training!
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| 510 | A Stand-Up Sit-Down!
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| 511 | The Electrike Company!
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| 512 | Malice in Wonderland!
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| 513 | Mass Hip-po-sis!
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| 514 | Ill-Will Hunting!
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| 515 | A Maze-ing Race!
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| 516 | Sandshrew's Locker!
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| 517 | Ash and Dawn! Head for a New Adventure!
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| 518 | Dawn's Early Night!
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| 519 | Tag! We're it…!
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| 520 | Glory Blaze!
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| 521 | Smells Like Team Spirit!
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| M10 | Feature Film - The Rise of Darkrai
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