|uair = April 20, 2007|rchars = [[Paul]], [[Professor Rowan]]

|uair = April 20, 2007|rchars = [[Paul]], [[Professor Rowan]]

|pchars = [[Ash's Pikachu]], [[Dawn's Piplup]]}}

|pchars = [[Ash's Pikachu]], [[Dawn's Piplup]]}}

'''When Pokémon Worlds''' Collide was the third episode of the Diamond and Pearl series, and is the 469th episode of the ''Pokemon'' anime.

'''When Pokémon Worlds''' Collide was the third episode of the Diamond and Pearl series, and is the 469th episode of the ''[http://pokemon.wikia.com/wiki/Pok%C3%A9mon Pokemon]'' anime.

==Episode Plot==

==Episode Plot==

|uair = April 20, 2007|rchars = [[Paul]], [[Professor Rowan]]

|uair = April 20, 2007|rchars = [[Paul]], [[Professor Rowan]]

|pchars = [[Ash's Pikachu]], [[Dawn's Piplup]]}}

|pchars = [[Ash's Pikachu]], [[Dawn's Piplup]]}}

'''When Pokémon Worlds''' Collide was the third episode of the Diamond and Pearl series, and is the 469th episode of the ''Pokemon'' anime.

'''When Pokémon Worlds''' Collide was the third episode of the Diamond and Pearl series, and is the 469th episode of the ''[http://pokemon.wikia.com/wiki/Pok%C3%A9mon Pokemon]'' anime.

==Episode Plot==

==Episode Plot==